Home / 17,631.04-24,331.16-9,672.78

Finding the Fourth Proportional to 17,631.04, 24,331.16 and 9,672.78

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Solution

The fourth proportional to 17,631.04, 24,331.16 and 9,672.78 is: 13,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.04 : 24,331.16 = 9,672.78 : x
  2. Step 2: Convert to fraction form
    17,631.04/24,331.16 = 9,672.78/x
  3. Step 3: Cross multiply
    17,631.04x = 24,331.16 × 9,672.78
  4. Step 4: Simplify right side
    17,631.04x = 235,349,957.82
  5. Step 5: Solve for x
    x = 235,349,957.82/17,631.04
  6. Step 6: Final answer
    x = 13,348.61

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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.