Home / 26,756.80-36,919.09-16,146.21

Finding the Fourth Proportional to 26,756.80, 36,919.09 and 16,146.21

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Solution

The fourth proportional to 26,756.80, 36,919.09 and 16,146.21 is: 22,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.80 : 36,919.09 = 16,146.21 : x
  2. Step 2: Convert to fraction form
    26,756.80/36,919.09 = 16,146.21/x
  3. Step 3: Cross multiply
    26,756.80x = 36,919.09 × 16,146.21
  4. Step 4: Simplify right side
    26,756.80x = 596,103,380.15
  5. Step 5: Solve for x
    x = 596,103,380.15/26,756.80
  6. Step 6: Final answer
    x = 22,278.58

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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.