Home / 13,376.92-20,055.66-5,587.96

Finding the Fourth Proportional to 13,376.92, 20,055.66 and 5,587.96

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Solution

The fourth proportional to 13,376.92, 20,055.66 and 5,587.96 is: 8,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.92 : 20,055.66 = 5,587.96 : x
  2. Step 2: Convert to fraction form
    13,376.92/20,055.66 = 5,587.96/x
  3. Step 3: Cross multiply
    13,376.92x = 20,055.66 × 5,587.96
  4. Step 4: Simplify right side
    13,376.92x = 112,070,225.85
  5. Step 5: Solve for x
    x = 112,070,225.85/13,376.92
  6. Step 6: Final answer
    x = 8,377.88

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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.