Home / 22,643.27-31,249.04-12,572.82

Finding the Fourth Proportional to 22,643.27, 31,249.04 and 12,572.82

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Solution

The fourth proportional to 22,643.27, 31,249.04 and 12,572.82 is: 17,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.27 : 31,249.04 = 12,572.82 : x
  2. Step 2: Convert to fraction form
    22,643.27/31,249.04 = 12,572.82/x
  3. Step 3: Cross multiply
    22,643.27x = 31,249.04 × 12,572.82
  4. Step 4: Simplify right side
    22,643.27x = 392,888,562.95
  5. Step 5: Solve for x
    x = 392,888,562.95/22,643.27
  6. Step 6: Final answer
    x = 17,351.23

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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.