Home / 20,053.17-27,654.89-17,219.59

Finding the Fourth Proportional to 20,053.17, 27,654.89 and 17,219.59

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Solution

The fourth proportional to 20,053.17, 27,654.89 and 17,219.59 is: 23,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.17 : 27,654.89 = 17,219.59 : x
  2. Step 2: Convert to fraction form
    20,053.17/27,654.89 = 17,219.59/x
  3. Step 3: Cross multiply
    20,053.17x = 27,654.89 × 17,219.59
  4. Step 4: Simplify right side
    20,053.17x = 476,205,712.06
  5. Step 5: Solve for x
    x = 476,205,712.06/20,053.17
  6. Step 6: Final answer
    x = 23,747.15

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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.