Home / 15,753.60-23,622.20-7,431.38

Finding the Fourth Proportional to 15,753.60, 23,622.20 and 7,431.38

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Solution

The fourth proportional to 15,753.60, 23,622.20 and 7,431.38 is: 11,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.60 : 23,622.20 = 7,431.38 : x
  2. Step 2: Convert to fraction form
    15,753.60/23,622.20 = 7,431.38/x
  3. Step 3: Cross multiply
    15,753.60x = 23,622.20 × 7,431.38
  4. Step 4: Simplify right side
    15,753.60x = 175,545,566.53
  5. Step 5: Solve for x
    x = 175,545,566.53/15,753.60
  6. Step 6: Final answer
    x = 11,143.20

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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.