Home / 14,545.14-20,084.13-11,856.78

Finding the Fourth Proportional to 14,545.14, 20,084.13 and 11,856.78

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Solution

The fourth proportional to 14,545.14, 20,084.13 and 11,856.78 is: 16,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.14 : 20,084.13 = 11,856.78 : x
  2. Step 2: Convert to fraction form
    14,545.14/20,084.13 = 11,856.78/x
  3. Step 3: Cross multiply
    14,545.14x = 20,084.13 × 11,856.78
  4. Step 4: Simplify right side
    14,545.14x = 238,133,110.90
  5. Step 5: Solve for x
    x = 238,133,110.90/14,545.14
  6. Step 6: Final answer
    x = 16,372.01

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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.