Home / 15,151.20-22,725.60-4,621.56

Finding the Fourth Proportional to 15,151.20, 22,725.60 and 4,621.56

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Solution

The fourth proportional to 15,151.20, 22,725.60 and 4,621.56 is: 6,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.20 : 22,725.60 = 4,621.56 : x
  2. Step 2: Convert to fraction form
    15,151.20/22,725.60 = 4,621.56/x
  3. Step 3: Cross multiply
    15,151.20x = 22,725.60 × 4,621.56
  4. Step 4: Simplify right side
    15,151.20x = 105,027,723.94
  5. Step 5: Solve for x
    x = 105,027,723.94/15,151.20
  6. Step 6: Final answer
    x = 6,931.97

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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.