Home / 22,691.01-31,310.65-12,617.45

Finding the Fourth Proportional to 22,691.01, 31,310.65 and 12,617.45

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Solution

The fourth proportional to 22,691.01, 31,310.65 and 12,617.45 is: 17,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.01 : 31,310.65 = 12,617.45 : x
  2. Step 2: Convert to fraction form
    22,691.01/31,310.65 = 12,617.45/x
  3. Step 3: Cross multiply
    22,691.01x = 31,310.65 × 12,617.45
  4. Step 4: Simplify right side
    22,691.01x = 395,060,560.84
  5. Step 5: Solve for x
    x = 395,060,560.84/22,691.01
  6. Step 6: Final answer
    x = 17,410.44

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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.