Home / 18,246.76-25,180.51-9,863.26

Finding the Fourth Proportional to 18,246.76, 25,180.51 and 9,863.26

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Solution

The fourth proportional to 18,246.76, 25,180.51 and 9,863.26 is: 13,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.76 : 25,180.51 = 9,863.26 : x
  2. Step 2: Convert to fraction form
    18,246.76/25,180.51 = 9,863.26/x
  3. Step 3: Cross multiply
    18,246.76x = 25,180.51 × 9,863.26
  4. Step 4: Simplify right side
    18,246.76x = 248,361,917.06
  5. Step 5: Solve for x
    x = 248,361,917.06/18,246.76
  6. Step 6: Final answer
    x = 13,611.29

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Find fourth proportional to 9,123.38, 12,590.26 and 4,931.63
Half scale
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Double scale
Find fourth proportional to 18,247.76, 25,181.89 and 9,864.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.