Home / 20,061.73-27,694.13-13,259.85

Finding the Fourth Proportional to 20,061.73, 27,694.13 and 13,259.85

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Solution

The fourth proportional to 20,061.73, 27,694.13 and 13,259.85 is: 18,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.73 : 27,694.13 = 13,259.85 : x
  2. Step 2: Convert to fraction form
    20,061.73/27,694.13 = 13,259.85/x
  3. Step 3: Cross multiply
    20,061.73x = 27,694.13 × 13,259.85
  4. Step 4: Simplify right side
    20,061.73x = 367,219,839.53
  5. Step 5: Solve for x
    x = 367,219,839.53/20,061.73
  6. Step 6: Final answer
    x = 18,304.50

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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.