Home / 16,179.03-24,237.42-9,920.78

Finding the Fourth Proportional to 16,179.03, 24,237.42 and 9,920.78

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Solution

The fourth proportional to 16,179.03, 24,237.42 and 9,920.78 is: 14,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.03 : 24,237.42 = 9,920.78 : x
  2. Step 2: Convert to fraction form
    16,179.03/24,237.42 = 9,920.78/x
  3. Step 3: Cross multiply
    16,179.03x = 24,237.42 × 9,920.78
  4. Step 4: Simplify right side
    16,179.03x = 240,453,990.40
  5. Step 5: Solve for x
    x = 240,453,990.40/16,179.03
  6. Step 6: Final answer
    x = 14,862.08

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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.