Home / 23,979.11-35,970.68-6,449.90

Finding the Fourth Proportional to 23,979.11, 35,970.68 and 6,449.90

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Solution

The fourth proportional to 23,979.11, 35,970.68 and 6,449.90 is: 9,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.11 : 35,970.68 = 6,449.90 : x
  2. Step 2: Convert to fraction form
    23,979.11/35,970.68 = 6,449.90/x
  3. Step 3: Cross multiply
    23,979.11x = 35,970.68 × 6,449.90
  4. Step 4: Simplify right side
    23,979.11x = 232,007,125.20
  5. Step 5: Solve for x
    x = 232,007,125.20/23,979.11
  6. Step 6: Final answer
    x = 9,675.39

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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.