Home / 22,581.33-33,839.19-12,670.11

Finding the Fourth Proportional to 22,581.33, 33,839.19 and 12,670.11

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Solution

The fourth proportional to 22,581.33, 33,839.19 and 12,670.11 is: 18,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.33 : 33,839.19 = 12,670.11 : x
  2. Step 2: Convert to fraction form
    22,581.33/33,839.19 = 12,670.11/x
  3. Step 3: Cross multiply
    22,581.33x = 33,839.19 × 12,670.11
  4. Step 4: Simplify right side
    22,581.33x = 428,746,259.61
  5. Step 5: Solve for x
    x = 428,746,259.61/22,581.33
  6. Step 6: Final answer
    x = 18,986.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.