Home / 20,926.53-31,350.15-11,552.49

Finding the Fourth Proportional to 20,926.53, 31,350.15 and 11,552.49

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Solution

The fourth proportional to 20,926.53, 31,350.15 and 11,552.49 is: 17,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.53 : 31,350.15 = 11,552.49 : x
  2. Step 2: Convert to fraction form
    20,926.53/31,350.15 = 11,552.49/x
  3. Step 3: Cross multiply
    20,926.53x = 31,350.15 × 11,552.49
  4. Step 4: Simplify right side
    20,926.53x = 362,172,294.37
  5. Step 5: Solve for x
    x = 362,172,294.37/20,926.53
  6. Step 6: Final answer
    x = 17,306.85

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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.