Home / 14,877.20-22,280.04-7,472

Finding the Fourth Proportional to 14,877.20, 22,280.04 and 7,472

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Solution

The fourth proportional to 14,877.20, 22,280.04 and 7,472 is: 11,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.20 : 22,280.04 = 7,472 : x
  2. Step 2: Convert to fraction form
    14,877.20/22,280.04 = 7,472/x
  3. Step 3: Cross multiply
    14,877.20x = 22,280.04 × 7,472
  4. Step 4: Simplify right side
    14,877.20x = 166,476,458.88
  5. Step 5: Solve for x
    x = 166,476,458.88/14,877.20
  6. Step 6: Final answer
    x = 11,190.04

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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.