Home / 27,122.01-37,432.83-18,617.12

Finding the Fourth Proportional to 27,122.01, 37,432.83 and 18,617.12

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Solution

The fourth proportional to 27,122.01, 37,432.83 and 18,617.12 is: 25,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.01 : 37,432.83 = 18,617.12 : x
  2. Step 2: Convert to fraction form
    27,122.01/37,432.83 = 18,617.12/x
  3. Step 3: Cross multiply
    27,122.01x = 37,432.83 × 18,617.12
  4. Step 4: Simplify right side
    27,122.01x = 696,891,488.05
  5. Step 5: Solve for x
    x = 696,891,488.05/27,122.01
  6. Step 6: Final answer
    x = 25,694.68

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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.