Home / 13,574.27-20,350.67-8,820.38

Finding the Fourth Proportional to 13,574.27, 20,350.67 and 8,820.38

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Solution

The fourth proportional to 13,574.27, 20,350.67 and 8,820.38 is: 13,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.27 : 20,350.67 = 8,820.38 : x
  2. Step 2: Convert to fraction form
    13,574.27/20,350.67 = 8,820.38/x
  3. Step 3: Cross multiply
    13,574.27x = 20,350.67 × 8,820.38
  4. Step 4: Simplify right side
    13,574.27x = 179,500,496.80
  5. Step 5: Solve for x
    x = 179,500,496.80/13,574.27
  6. Step 6: Final answer
    x = 13,223.59

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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.