Home / 15,502.28-23,247.60-5,639.12

Finding the Fourth Proportional to 15,502.28, 23,247.60 and 5,639.12

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Solution

The fourth proportional to 15,502.28, 23,247.60 and 5,639.12 is: 8,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.28 : 23,247.60 = 5,639.12 : x
  2. Step 2: Convert to fraction form
    15,502.28/23,247.60 = 5,639.12/x
  3. Step 3: Cross multiply
    15,502.28x = 23,247.60 × 5,639.12
  4. Step 4: Simplify right side
    15,502.28x = 131,096,006.11
  5. Step 5: Solve for x
    x = 131,096,006.11/15,502.28
  6. Step 6: Final answer
    x = 8,456.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.