Home / 13,177.36-19,766.04-9,099.28

Finding the Fourth Proportional to 13,177.36, 19,766.04 and 9,099.28

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Solution

The fourth proportional to 13,177.36, 19,766.04 and 9,099.28 is: 13,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.36 : 19,766.04 = 9,099.28 : x
  2. Step 2: Convert to fraction form
    13,177.36/19,766.04 = 9,099.28/x
  3. Step 3: Cross multiply
    13,177.36x = 19,766.04 × 9,099.28
  4. Step 4: Simplify right side
    13,177.36x = 179,856,732.45
  5. Step 5: Solve for x
    x = 179,856,732.45/13,177.36
  6. Step 6: Final answer
    x = 13,648.92

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Similar ratio
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1.5x scale

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.