Home / 18,510.46-25,545.18-10,126.96

Finding the Fourth Proportional to 18,510.46, 25,545.18 and 10,126.96

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Solution

The fourth proportional to 18,510.46, 25,545.18 and 10,126.96 is: 13,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.46 : 25,545.18 = 10,126.96 : x
  2. Step 2: Convert to fraction form
    18,510.46/25,545.18 = 10,126.96/x
  3. Step 3: Cross multiply
    18,510.46x = 25,545.18 × 10,126.96
  4. Step 4: Simplify right side
    18,510.46x = 258,695,016.05
  5. Step 5: Solve for x
    x = 258,695,016.05/18,510.46
  6. Step 6: Final answer
    x = 13,975.61

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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.