Home / 17,484.50-24,127.85-9,930.80

Finding the Fourth Proportional to 17,484.50, 24,127.85 and 9,930.80

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Solution

The fourth proportional to 17,484.50, 24,127.85 and 9,930.80 is: 13,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,484.50 : 24,127.85 = 9,930.80 : x
  2. Step 2: Convert to fraction form
    17,484.50/24,127.85 = 9,930.80/x
  3. Step 3: Cross multiply
    17,484.50x = 24,127.85 × 9,930.80
  4. Step 4: Simplify right side
    17,484.50x = 239,608,910.00
  5. Step 5: Solve for x
    x = 239,608,910.00/17,484.50
  6. Step 6: Final answer
    x = 13,704.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.