Home / 22,294.91-30,767.31-13,342.79

Finding the Fourth Proportional to 22,294.91, 30,767.31 and 13,342.79

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Solution

The fourth proportional to 22,294.91, 30,767.31 and 13,342.79 is: 18,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.91 : 30,767.31 = 13,342.79 : x
  2. Step 2: Convert to fraction form
    22,294.91/30,767.31 = 13,342.79/x
  3. Step 3: Cross multiply
    22,294.91x = 30,767.31 × 13,342.79
  4. Step 4: Simplify right side
    22,294.91x = 410,521,833.11
  5. Step 5: Solve for x
    x = 410,521,833.11/22,294.91
  6. Step 6: Final answer
    x = 18,413.25

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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.