Home / 18,077.42-27,104.52-8,705.18

Finding the Fourth Proportional to 18,077.42, 27,104.52 and 8,705.18

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Solution

The fourth proportional to 18,077.42, 27,104.52 and 8,705.18 is: 13,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.42 : 27,104.52 = 8,705.18 : x
  2. Step 2: Convert to fraction form
    18,077.42/27,104.52 = 8,705.18/x
  3. Step 3: Cross multiply
    18,077.42x = 27,104.52 × 8,705.18
  4. Step 4: Simplify right side
    18,077.42x = 235,949,725.41
  5. Step 5: Solve for x
    x = 235,949,725.41/18,077.42
  6. Step 6: Final answer
    x = 13,052.18

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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.