Home / 23,618.20-35,431.12-6,979.90

Finding the Fourth Proportional to 23,618.20, 35,431.12 and 6,979.90

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Solution

The fourth proportional to 23,618.20, 35,431.12 and 6,979.90 is: 10,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,618.20 : 35,431.12 = 6,979.90 : x
  2. Step 2: Convert to fraction form
    23,618.20/35,431.12 = 6,979.90/x
  3. Step 3: Cross multiply
    23,618.20x = 35,431.12 × 6,979.90
  4. Step 4: Simplify right side
    23,618.20x = 247,305,674.49
  5. Step 5: Solve for x
    x = 247,305,674.49/23,618.20
  6. Step 6: Final answer
    x = 10,470.98

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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.