Home / 22,647.68-31,253.18-12,575.82

Finding the Fourth Proportional to 22,647.68, 31,253.18 and 12,575.82

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Solution

The fourth proportional to 22,647.68, 31,253.18 and 12,575.82 is: 17,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.68 : 31,253.18 = 12,575.82 : x
  2. Step 2: Convert to fraction form
    22,647.68/31,253.18 = 12,575.82/x
  3. Step 3: Cross multiply
    22,647.68x = 31,253.18 × 12,575.82
  4. Step 4: Simplify right side
    22,647.68x = 393,034,366.11
  5. Step 5: Solve for x
    x = 393,034,366.11/22,647.68
  6. Step 6: Final answer
    x = 17,354.29

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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.