Home / 25,965.57-38,949.92-8,196.81

Finding the Fourth Proportional to 25,965.57, 38,949.92 and 8,196.81

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Solution

The fourth proportional to 25,965.57, 38,949.92 and 8,196.81 is: 12,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.57 : 38,949.92 = 8,196.81 : x
  2. Step 2: Convert to fraction form
    25,965.57/38,949.92 = 8,196.81/x
  3. Step 3: Cross multiply
    25,965.57x = 38,949.92 × 8,196.81
  4. Step 4: Simplify right side
    25,965.57x = 319,264,937.45
  5. Step 5: Solve for x
    x = 319,264,937.45/25,965.57
  6. Step 6: Final answer
    x = 12,295.70

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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.