Home / 22,637.13-31,235.91-12,565.65

Finding the Fourth Proportional to 22,637.13, 31,235.91 and 12,565.65

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Solution

The fourth proportional to 22,637.13, 31,235.91 and 12,565.65 is: 17,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.13 : 31,235.91 = 12,565.65 : x
  2. Step 2: Convert to fraction form
    22,637.13/31,235.91 = 12,565.65/x
  3. Step 3: Cross multiply
    22,637.13x = 31,235.91 × 12,565.65
  4. Step 4: Simplify right side
    22,637.13x = 392,499,512.49
  5. Step 5: Solve for x
    x = 392,499,512.49/22,637.13
  6. Step 6: Final answer
    x = 17,338.75

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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.