Home / 22,158.97-30,590.66-17,111.86

Finding the Fourth Proportional to 22,158.97, 30,590.66 and 17,111.86

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Solution

The fourth proportional to 22,158.97, 30,590.66 and 17,111.86 is: 23,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.97 : 30,590.66 = 17,111.86 : x
  2. Step 2: Convert to fraction form
    22,158.97/30,590.66 = 17,111.86/x
  3. Step 3: Cross multiply
    22,158.97x = 30,590.66 × 17,111.86
  4. Step 4: Simplify right side
    22,158.97x = 523,463,057.53
  5. Step 5: Solve for x
    x = 523,463,057.53/22,158.97
  6. Step 6: Final answer
    x = 23,623.08

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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.