Home / 13,387.49-20,081.13-4,027.47

Finding the Fourth Proportional to 13,387.49, 20,081.13 and 4,027.47

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Solution

The fourth proportional to 13,387.49, 20,081.13 and 4,027.47 is: 6,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.49 : 20,081.13 = 4,027.47 : x
  2. Step 2: Convert to fraction form
    13,387.49/20,081.13 = 4,027.47/x
  3. Step 3: Cross multiply
    13,387.49x = 20,081.13 × 4,027.47
  4. Step 4: Simplify right side
    13,387.49x = 80,876,148.64
  5. Step 5: Solve for x
    x = 80,876,148.64/13,387.49
  6. Step 6: Final answer
    x = 6,041.17

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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.