Home / 20,113.12-29,956.91-19,059.28

Finding the Fourth Proportional to 20,113.12, 29,956.91 and 19,059.28

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Solution

The fourth proportional to 20,113.12, 29,956.91 and 19,059.28 is: 28,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.12 : 29,956.91 = 19,059.28 : x
  2. Step 2: Convert to fraction form
    20,113.12/29,956.91 = 19,059.28/x
  3. Step 3: Cross multiply
    20,113.12x = 29,956.91 × 19,059.28
  4. Step 4: Simplify right side
    20,113.12x = 570,957,135.62
  5. Step 5: Solve for x
    x = 570,957,135.62/20,113.12
  6. Step 6: Final answer
    x = 28,387.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.