Home / 22,574.19-31,152.82-13,508.87

Finding the Fourth Proportional to 22,574.19, 31,152.82 and 13,508.87

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Solution

The fourth proportional to 22,574.19, 31,152.82 and 13,508.87 is: 18,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.19 : 31,152.82 = 13,508.87 : x
  2. Step 2: Convert to fraction form
    22,574.19/31,152.82 = 13,508.87/x
  3. Step 3: Cross multiply
    22,574.19x = 31,152.82 × 13,508.87
  4. Step 4: Simplify right side
    22,574.19x = 420,839,439.62
  5. Step 5: Solve for x
    x = 420,839,439.62/22,574.19
  6. Step 6: Final answer
    x = 18,642.50

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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.