Home / 15,201.20-22,800.72-4,108.56

Finding the Fourth Proportional to 15,201.20, 22,800.72 and 4,108.56

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Solution

The fourth proportional to 15,201.20, 22,800.72 and 4,108.56 is: 6,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.20 : 22,800.72 = 4,108.56 : x
  2. Step 2: Convert to fraction form
    15,201.20/22,800.72 = 4,108.56/x
  3. Step 3: Cross multiply
    15,201.20x = 22,800.72 × 4,108.56
  4. Step 4: Simplify right side
    15,201.20x = 93,678,126.16
  5. Step 5: Solve for x
    x = 93,678,126.16/15,201.20
  6. Step 6: Final answer
    x = 6,162.55

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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.