Home / 15,177.80-22,815.30-10,825.40

Finding the Fourth Proportional to 15,177.80, 22,815.30 and 10,825.40

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Solution

The fourth proportional to 15,177.80, 22,815.30 and 10,825.40 is: 16,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.80 : 22,815.30 = 10,825.40 : x
  2. Step 2: Convert to fraction form
    15,177.80/22,815.30 = 10,825.40/x
  3. Step 3: Cross multiply
    15,177.80x = 22,815.30 × 10,825.40
  4. Step 4: Simplify right side
    15,177.80x = 246,984,748.62
  5. Step 5: Solve for x
    x = 246,984,748.62/15,177.80
  6. Step 6: Final answer
    x = 16,272.76

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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.