Home / 15,545.28-23,331.60-8,155.02

Finding the Fourth Proportional to 15,545.28, 23,331.60 and 8,155.02

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Solution

The fourth proportional to 15,545.28, 23,331.60 and 8,155.02 is: 12,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.28 : 23,331.60 = 8,155.02 : x
  2. Step 2: Convert to fraction form
    15,545.28/23,331.60 = 8,155.02/x
  3. Step 3: Cross multiply
    15,545.28x = 23,331.60 × 8,155.02
  4. Step 4: Simplify right side
    15,545.28x = 190,269,664.63
  5. Step 5: Solve for x
    x = 190,269,664.63/15,545.28
  6. Step 6: Final answer
    x = 12,239.71

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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.