Home / 22,229.66-30,677.31-13,277.95

Finding the Fourth Proportional to 22,229.66, 30,677.31 and 13,277.95

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Solution

The fourth proportional to 22,229.66, 30,677.31 and 13,277.95 is: 18,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.66 : 30,677.31 = 13,277.95 : x
  2. Step 2: Convert to fraction form
    22,229.66/30,677.31 = 13,277.95/x
  3. Step 3: Cross multiply
    22,229.66x = 30,677.31 × 13,277.95
  4. Step 4: Simplify right side
    22,229.66x = 407,331,711.62
  5. Step 5: Solve for x
    x = 407,331,711.62/22,229.66
  6. Step 6: Final answer
    x = 18,323.79

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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.