Home / 22,562.24-31,134.32-12,490.19

Finding the Fourth Proportional to 22,562.24, 31,134.32 and 12,490.19

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Solution

The fourth proportional to 22,562.24, 31,134.32 and 12,490.19 is: 17,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.24 : 31,134.32 = 12,490.19 : x
  2. Step 2: Convert to fraction form
    22,562.24/31,134.32 = 12,490.19/x
  3. Step 3: Cross multiply
    22,562.24x = 31,134.32 × 12,490.19
  4. Step 4: Simplify right side
    22,562.24x = 388,873,354.20
  5. Step 5: Solve for x
    x = 388,873,354.20/22,562.24
  6. Step 6: Final answer
    x = 17,235.59

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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.