Home / 13,711.83-20,568.45-4,351.14

Finding the Fourth Proportional to 13,711.83, 20,568.45 and 4,351.14

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Solution

The fourth proportional to 13,711.83, 20,568.45 and 4,351.14 is: 6,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.83 : 20,568.45 = 4,351.14 : x
  2. Step 2: Convert to fraction form
    13,711.83/20,568.45 = 4,351.14/x
  3. Step 3: Cross multiply
    13,711.83x = 20,568.45 × 4,351.14
  4. Step 4: Simplify right side
    13,711.83x = 89,496,205.53
  5. Step 5: Solve for x
    x = 89,496,205.53/13,711.83
  6. Step 6: Final answer
    x = 6,526.93

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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.