Home / 15,052.20-20,772.03-8,338.26

Finding the Fourth Proportional to 15,052.20, 20,772.03 and 8,338.26

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Solution

The fourth proportional to 15,052.20, 20,772.03 and 8,338.26 is: 11,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.20 : 20,772.03 = 8,338.26 : x
  2. Step 2: Convert to fraction form
    15,052.20/20,772.03 = 8,338.26/x
  3. Step 3: Cross multiply
    15,052.20x = 20,772.03 × 8,338.26
  4. Step 4: Simplify right side
    15,052.20x = 173,202,607.71
  5. Step 5: Solve for x
    x = 173,202,607.71/15,052.20
  6. Step 6: Final answer
    x = 11,506.80

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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.