Home / 13,387.95-20,084.76-5,067.81

Finding the Fourth Proportional to 13,387.95, 20,084.76 and 5,067.81

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Solution

The fourth proportional to 13,387.95, 20,084.76 and 5,067.81 is: 7,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.95 : 20,084.76 = 5,067.81 : x
  2. Step 2: Convert to fraction form
    13,387.95/20,084.76 = 5,067.81/x
  3. Step 3: Cross multiply
    13,387.95x = 20,084.76 × 5,067.81
  4. Step 4: Simplify right side
    13,387.95x = 101,785,747.58
  5. Step 5: Solve for x
    x = 101,785,747.58/13,387.95
  6. Step 6: Final answer
    x = 7,602.79

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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.