Home / 32,711.25-45,145.17-18,568.65

Finding the Fourth Proportional to 32,711.25, 45,145.17 and 18,568.65

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Solution

The fourth proportional to 32,711.25, 45,145.17 and 18,568.65 is: 25,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.25 : 45,145.17 = 18,568.65 : x
  2. Step 2: Convert to fraction form
    32,711.25/45,145.17 = 18,568.65/x
  3. Step 3: Cross multiply
    32,711.25x = 45,145.17 × 18,568.65
  4. Step 4: Simplify right side
    32,711.25x = 838,284,860.92
  5. Step 5: Solve for x
    x = 838,284,860.92/32,711.25
  6. Step 6: Final answer
    x = 25,626.81

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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.