Home / 15,125.90-22,688.97-5,265.16

Finding the Fourth Proportional to 15,125.90, 22,688.97 and 5,265.16

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Solution

The fourth proportional to 15,125.90, 22,688.97 and 5,265.16 is: 7,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.90 : 22,688.97 = 5,265.16 : x
  2. Step 2: Convert to fraction form
    15,125.90/22,688.97 = 5,265.16/x
  3. Step 3: Cross multiply
    15,125.90x = 22,688.97 × 5,265.16
  4. Step 4: Simplify right side
    15,125.90x = 119,461,000.56
  5. Step 5: Solve for x
    x = 119,461,000.56/15,125.90
  6. Step 6: Final answer
    x = 7,897.78

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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.