Home / 26,790.20-40,180.16-9,256.40

Finding the Fourth Proportional to 26,790.20, 40,180.16 and 9,256.40

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Solution

The fourth proportional to 26,790.20, 40,180.16 and 9,256.40 is: 13,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.20 : 40,180.16 = 9,256.40 : x
  2. Step 2: Convert to fraction form
    26,790.20/40,180.16 = 9,256.40/x
  3. Step 3: Cross multiply
    26,790.20x = 40,180.16 × 9,256.40
  4. Step 4: Simplify right side
    26,790.20x = 371,923,633.02
  5. Step 5: Solve for x
    x = 371,923,633.02/26,790.20
  6. Step 6: Final answer
    x = 13,882.82

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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.