Home / 22,416.66-30,943.17-18,217.62

Finding the Fourth Proportional to 22,416.66, 30,943.17 and 18,217.62

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Solution

The fourth proportional to 22,416.66, 30,943.17 and 18,217.62 is: 25,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.66 : 30,943.17 = 18,217.62 : x
  2. Step 2: Convert to fraction form
    22,416.66/30,943.17 = 18,217.62/x
  3. Step 3: Cross multiply
    22,416.66x = 30,943.17 × 18,217.62
  4. Step 4: Simplify right side
    22,416.66x = 563,710,912.66
  5. Step 5: Solve for x
    x = 563,710,912.66/22,416.66
  6. Step 6: Final answer
    x = 25,146.96

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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.