Home / 13,572.69-20,359.05-3,711.24

Finding the Fourth Proportional to 13,572.69, 20,359.05 and 3,711.24

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Solution

The fourth proportional to 13,572.69, 20,359.05 and 3,711.24 is: 5,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.69 : 20,359.05 = 3,711.24 : x
  2. Step 2: Convert to fraction form
    13,572.69/20,359.05 = 3,711.24/x
  3. Step 3: Cross multiply
    13,572.69x = 20,359.05 × 3,711.24
  4. Step 4: Simplify right side
    13,572.69x = 75,557,320.72
  5. Step 5: Solve for x
    x = 75,557,320.72/13,572.69
  6. Step 6: Final answer
    x = 5,566.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.