Home / 22,990.80-34,494.30-11,296.20

Finding the Fourth Proportional to 22,990.80, 34,494.30 and 11,296.20

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Solution

The fourth proportional to 22,990.80, 34,494.30 and 11,296.20 is: 16,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.80 : 34,494.30 = 11,296.20 : x
  2. Step 2: Convert to fraction form
    22,990.80/34,494.30 = 11,296.20/x
  3. Step 3: Cross multiply
    22,990.80x = 34,494.30 × 11,296.20
  4. Step 4: Simplify right side
    22,990.80x = 389,654,511.66
  5. Step 5: Solve for x
    x = 389,654,511.66/22,990.80
  6. Step 6: Final answer
    x = 16,948.28

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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.