Home / 22,637.66-31,238.48-12,565.61

Finding the Fourth Proportional to 22,637.66, 31,238.48 and 12,565.61

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Solution

The fourth proportional to 22,637.66, 31,238.48 and 12,565.61 is: 17,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.66 : 31,238.48 = 12,565.61 : x
  2. Step 2: Convert to fraction form
    22,637.66/31,238.48 = 12,565.61/x
  3. Step 3: Cross multiply
    22,637.66x = 31,238.48 × 12,565.61
  4. Step 4: Simplify right side
    22,637.66x = 392,530,431.89
  5. Step 5: Solve for x
    x = 392,530,431.89/22,637.66
  6. Step 6: Final answer
    x = 17,339.71

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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.