Home / 20,089.62-27,693.50-13,360.95

Finding the Fourth Proportional to 20,089.62, 27,693.50 and 13,360.95

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Solution

The fourth proportional to 20,089.62, 27,693.50 and 13,360.95 is: 18,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.62 : 27,693.50 = 13,360.95 : x
  2. Step 2: Convert to fraction form
    20,089.62/27,693.50 = 13,360.95/x
  3. Step 3: Cross multiply
    20,089.62x = 27,693.50 × 13,360.95
  4. Step 4: Simplify right side
    20,089.62x = 370,011,402.02
  5. Step 5: Solve for x
    x = 370,011,402.02/20,089.62
  6. Step 6: Final answer
    x = 18,418.04

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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.