Home / 15,052.66-20,772.40-8,338.27

Finding the Fourth Proportional to 15,052.66, 20,772.40 and 8,338.27

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Solution

The fourth proportional to 15,052.66, 20,772.40 and 8,338.27 is: 11,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.66 : 20,772.40 = 8,338.27 : x
  2. Step 2: Convert to fraction form
    15,052.66/20,772.40 = 8,338.27/x
  3. Step 3: Cross multiply
    15,052.66x = 20,772.40 × 8,338.27
  4. Step 4: Simplify right side
    15,052.66x = 173,205,803.13
  5. Step 5: Solve for x
    x = 173,205,803.13/15,052.66
  6. Step 6: Final answer
    x = 11,506.66

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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.