Home / 19,146.75-26,421.93-10,648.23

Finding the Fourth Proportional to 19,146.75, 26,421.93 and 10,648.23

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Solution

The fourth proportional to 19,146.75, 26,421.93 and 10,648.23 is: 14,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.75 : 26,421.93 = 10,648.23 : x
  2. Step 2: Convert to fraction form
    19,146.75/26,421.93 = 10,648.23/x
  3. Step 3: Cross multiply
    19,146.75x = 26,421.93 × 10,648.23
  4. Step 4: Simplify right side
    19,146.75x = 281,346,787.68
  5. Step 5: Solve for x
    x = 281,346,787.68/19,146.75
  6. Step 6: Final answer
    x = 14,694.23

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Half scale
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Double scale
Find fourth proportional to 19,147.75, 26,423.31 and 10,649.23
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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.