Home / 15,979.12-23,958.66-4,882.12

Finding the Fourth Proportional to 15,979.12, 23,958.66 and 4,882.12

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Solution

The fourth proportional to 15,979.12, 23,958.66 and 4,882.12 is: 7,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.12 : 23,958.66 = 4,882.12 : x
  2. Step 2: Convert to fraction form
    15,979.12/23,958.66 = 4,882.12/x
  3. Step 3: Cross multiply
    15,979.12x = 23,958.66 × 4,882.12
  4. Step 4: Simplify right side
    15,979.12x = 116,969,053.16
  5. Step 5: Solve for x
    x = 116,969,053.16/15,979.12
  6. Step 6: Final answer
    x = 7,320.12

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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.