Home / 29,199.75-40,295.66-15,951.75

Finding the Fourth Proportional to 29,199.75, 40,295.66 and 15,951.75

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Solution

The fourth proportional to 29,199.75, 40,295.66 and 15,951.75 is: 22,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.75 : 40,295.66 = 15,951.75 : x
  2. Step 2: Convert to fraction form
    29,199.75/40,295.66 = 15,951.75/x
  3. Step 3: Cross multiply
    29,199.75x = 40,295.66 × 15,951.75
  4. Step 4: Simplify right side
    29,199.75x = 642,786,214.65
  5. Step 5: Solve for x
    x = 642,786,214.65/29,199.75
  6. Step 6: Final answer
    x = 22,013.42

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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.