Home / 18,236.76-25,166.34-10,682.16

Finding the Fourth Proportional to 18,236.76, 25,166.34 and 10,682.16

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Solution

The fourth proportional to 18,236.76, 25,166.34 and 10,682.16 is: 14,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.76 : 25,166.34 = 10,682.16 : x
  2. Step 2: Convert to fraction form
    18,236.76/25,166.34 = 10,682.16/x
  3. Step 3: Cross multiply
    18,236.76x = 25,166.34 × 10,682.16
  4. Step 4: Simplify right side
    18,236.76x = 268,830,870.49
  5. Step 5: Solve for x
    x = 268,830,870.49/18,236.76
  6. Step 6: Final answer
    x = 14,741.15

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Half scale
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Double scale
Find fourth proportional to 18,237.76, 25,167.72 and 10,683.16
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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.