Home / 14,979.72-22,472.46-5,745

Finding the Fourth Proportional to 14,979.72, 22,472.46 and 5,745

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Solution

The fourth proportional to 14,979.72, 22,472.46 and 5,745 is: 8,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.72 : 22,472.46 = 5,745 : x
  2. Step 2: Convert to fraction form
    14,979.72/22,472.46 = 5,745/x
  3. Step 3: Cross multiply
    14,979.72x = 22,472.46 × 5,745
  4. Step 4: Simplify right side
    14,979.72x = 129,104,282.70
  5. Step 5: Solve for x
    x = 129,104,282.70/14,979.72
  6. Step 6: Final answer
    x = 8,618.60

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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.