Home / 22,229.48-30,687.84-17,182.31

Finding the Fourth Proportional to 22,229.48, 30,687.84 and 17,182.31

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Solution

The fourth proportional to 22,229.48, 30,687.84 and 17,182.31 is: 23,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.48 : 30,687.84 = 17,182.31 : x
  2. Step 2: Convert to fraction form
    22,229.48/30,687.84 = 17,182.31/x
  3. Step 3: Cross multiply
    22,229.48x = 30,687.84 × 17,182.31
  4. Step 4: Simplify right side
    22,229.48x = 527,287,980.11
  5. Step 5: Solve for x
    x = 527,287,980.11/22,229.48
  6. Step 6: Final answer
    x = 23,720.21

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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.