Home / 15,149.45-22,734.56-5,288.74

Finding the Fourth Proportional to 15,149.45, 22,734.56 and 5,288.74

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Solution

The fourth proportional to 15,149.45, 22,734.56 and 5,288.74 is: 7,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.45 : 22,734.56 = 5,288.74 : x
  2. Step 2: Convert to fraction form
    15,149.45/22,734.56 = 5,288.74/x
  3. Step 3: Cross multiply
    15,149.45x = 22,734.56 × 5,288.74
  4. Step 4: Simplify right side
    15,149.45x = 120,237,133.24
  5. Step 5: Solve for x
    x = 120,237,133.24/15,149.45
  6. Step 6: Final answer
    x = 7,936.73

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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.