Home / 14,659.18-20,229.70-7,944.79

Finding the Fourth Proportional to 14,659.18, 20,229.70 and 7,944.79

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Solution

The fourth proportional to 14,659.18, 20,229.70 and 7,944.79 is: 10,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.18 : 20,229.70 = 7,944.79 : x
  2. Step 2: Convert to fraction form
    14,659.18/20,229.70 = 7,944.79/x
  3. Step 3: Cross multiply
    14,659.18x = 20,229.70 × 7,944.79
  4. Step 4: Simplify right side
    14,659.18x = 160,720,621.41
  5. Step 5: Solve for x
    x = 160,720,621.41/14,659.18
  6. Step 6: Final answer
    x = 10,963.82

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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.