Home / 22,130.66-30,579.17-17,691.05

Finding the Fourth Proportional to 22,130.66, 30,579.17 and 17,691.05

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Solution

The fourth proportional to 22,130.66, 30,579.17 and 17,691.05 is: 24,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.66 : 30,579.17 = 17,691.05 : x
  2. Step 2: Convert to fraction form
    22,130.66/30,579.17 = 17,691.05/x
  3. Step 3: Cross multiply
    22,130.66x = 30,579.17 × 17,691.05
  4. Step 4: Simplify right side
    22,130.66x = 540,977,613.42
  5. Step 5: Solve for x
    x = 540,977,613.42/22,130.66
  6. Step 6: Final answer
    x = 24,444.71

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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.