Home / 16,331.20-22,516.20-10,578.50

Finding the Fourth Proportional to 16,331.20, 22,516.20 and 10,578.50

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Solution

The fourth proportional to 16,331.20, 22,516.20 and 10,578.50 is: 14,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.20 : 22,516.20 = 10,578.50 : x
  2. Step 2: Convert to fraction form
    16,331.20/22,516.20 = 10,578.50/x
  3. Step 3: Cross multiply
    16,331.20x = 22,516.20 × 10,578.50
  4. Step 4: Simplify right side
    16,331.20x = 238,187,621.70
  5. Step 5: Solve for x
    x = 238,187,621.70/16,331.20
  6. Step 6: Final answer
    x = 14,584.82

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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.