Home / 22,523.44-31,081.42-13,091.28

Finding the Fourth Proportional to 22,523.44, 31,081.42 and 13,091.28

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Solution

The fourth proportional to 22,523.44, 31,081.42 and 13,091.28 is: 18,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.44 : 31,081.42 = 13,091.28 : x
  2. Step 2: Convert to fraction form
    22,523.44/31,081.42 = 13,091.28/x
  3. Step 3: Cross multiply
    22,523.44x = 31,081.42 × 13,091.28
  4. Step 4: Simplify right side
    22,523.44x = 406,895,572.02
  5. Step 5: Solve for x
    x = 406,895,572.02/22,523.44
  6. Step 6: Final answer
    x = 18,065.43

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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.