Home / 22,633.60-31,234.24-12,561.76

Finding the Fourth Proportional to 22,633.60, 31,234.24 and 12,561.76

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Solution

The fourth proportional to 22,633.60, 31,234.24 and 12,561.76 is: 17,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.60 : 31,234.24 = 12,561.76 : x
  2. Step 2: Convert to fraction form
    22,633.60/31,234.24 = 12,561.76/x
  3. Step 3: Cross multiply
    22,633.60x = 31,234.24 × 12,561.76
  4. Step 4: Simplify right side
    22,633.60x = 392,357,026.66
  5. Step 5: Solve for x
    x = 392,357,026.66/22,633.60
  6. Step 6: Final answer
    x = 17,335.16

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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.