Home / 21,545.46-32,318.60-6,754.05

Finding the Fourth Proportional to 21,545.46, 32,318.60 and 6,754.05

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Solution

The fourth proportional to 21,545.46, 32,318.60 and 6,754.05 is: 10,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.46 : 32,318.60 = 6,754.05 : x
  2. Step 2: Convert to fraction form
    21,545.46/32,318.60 = 6,754.05/x
  3. Step 3: Cross multiply
    21,545.46x = 32,318.60 × 6,754.05
  4. Step 4: Simplify right side
    21,545.46x = 218,281,406.56
  5. Step 5: Solve for x
    x = 218,281,406.56/21,545.46
  6. Step 6: Final answer
    x = 10,131.20

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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.