Home / 13,694.33-20,543.76-4,807.35

Finding the Fourth Proportional to 13,694.33, 20,543.76 and 4,807.35

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Solution

The fourth proportional to 13,694.33, 20,543.76 and 4,807.35 is: 7,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.33 : 20,543.76 = 4,807.35 : x
  2. Step 2: Convert to fraction form
    13,694.33/20,543.76 = 4,807.35/x
  3. Step 3: Cross multiply
    13,694.33x = 20,543.76 × 4,807.35
  4. Step 4: Simplify right side
    13,694.33x = 98,761,032.62
  5. Step 5: Solve for x
    x = 98,761,032.62/13,694.33
  6. Step 6: Final answer
    x = 7,211.82

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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.