Home / 22,101.30-33,151.95-13,331.70

Finding the Fourth Proportional to 22,101.30, 33,151.95 and 13,331.70

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Solution

The fourth proportional to 22,101.30, 33,151.95 and 13,331.70 is: 19,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.30 : 33,151.95 = 13,331.70 : x
  2. Step 2: Convert to fraction form
    22,101.30/33,151.95 = 13,331.70/x
  3. Step 3: Cross multiply
    22,101.30x = 33,151.95 × 13,331.70
  4. Step 4: Simplify right side
    22,101.30x = 441,971,851.82
  5. Step 5: Solve for x
    x = 441,971,851.82/22,101.30
  6. Step 6: Final answer
    x = 19,997.55

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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.