Home / 22,225.40-33,338.10-11,127.80

Finding the Fourth Proportional to 22,225.40, 33,338.10 and 11,127.80

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Solution

The fourth proportional to 22,225.40, 33,338.10 and 11,127.80 is: 16,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.40 : 33,338.10 = 11,127.80 : x
  2. Step 2: Convert to fraction form
    22,225.40/33,338.10 = 11,127.80/x
  3. Step 3: Cross multiply
    22,225.40x = 33,338.10 × 11,127.80
  4. Step 4: Simplify right side
    22,225.40x = 370,979,709.18
  5. Step 5: Solve for x
    x = 370,979,709.18/22,225.40
  6. Step 6: Final answer
    x = 16,691.70

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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.