Home / 18,068.30-27,084.45-8,705.66

Finding the Fourth Proportional to 18,068.30, 27,084.45 and 8,705.66

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Solution

The fourth proportional to 18,068.30, 27,084.45 and 8,705.66 is: 13,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.30 : 27,084.45 = 8,705.66 : x
  2. Step 2: Convert to fraction form
    18,068.30/27,084.45 = 8,705.66/x
  3. Step 3: Cross multiply
    18,068.30x = 27,084.45 × 8,705.66
  4. Step 4: Simplify right side
    18,068.30x = 235,787,877.56
  5. Step 5: Solve for x
    x = 235,787,877.56/18,068.30
  6. Step 6: Final answer
    x = 13,049.81

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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.