Home / 13,572.07-20,358.13-3,711.44

Finding the Fourth Proportional to 13,572.07, 20,358.13 and 3,711.44

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Solution

The fourth proportional to 13,572.07, 20,358.13 and 3,711.44 is: 5,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.07 : 20,358.13 = 3,711.44 : x
  2. Step 2: Convert to fraction form
    13,572.07/20,358.13 = 3,711.44/x
  3. Step 3: Cross multiply
    13,572.07x = 20,358.13 × 3,711.44
  4. Step 4: Simplify right side
    13,572.07x = 75,557,978.01
  5. Step 5: Solve for x
    x = 75,557,978.01/13,572.07
  6. Step 6: Final answer
    x = 5,567.17

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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.