Home / 13,373.76-20,049.82-5,588.40

Finding the Fourth Proportional to 13,373.76, 20,049.82 and 5,588.40

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Solution

The fourth proportional to 13,373.76, 20,049.82 and 5,588.40 is: 8,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.76 : 20,049.82 = 5,588.40 : x
  2. Step 2: Convert to fraction form
    13,373.76/20,049.82 = 5,588.40/x
  3. Step 3: Cross multiply
    13,373.76x = 20,049.82 × 5,588.40
  4. Step 4: Simplify right side
    13,373.76x = 112,046,414.09
  5. Step 5: Solve for x
    x = 112,046,414.09/13,373.76
  6. Step 6: Final answer
    x = 8,378.08

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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.