Home / 23,972.78-35,965.66-8,391.62

Finding the Fourth Proportional to 23,972.78, 35,965.66 and 8,391.62

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Solution

The fourth proportional to 23,972.78, 35,965.66 and 8,391.62 is: 12,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,972.78 : 35,965.66 = 8,391.62 : x
  2. Step 2: Convert to fraction form
    23,972.78/35,965.66 = 8,391.62/x
  3. Step 3: Cross multiply
    23,972.78x = 35,965.66 × 8,391.62
  4. Step 4: Simplify right side
    23,972.78x = 301,810,151.77
  5. Step 5: Solve for x
    x = 301,810,151.77/23,972.78
  6. Step 6: Final answer
    x = 12,589.70

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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.