Home / 16,767.88-23,140.28-9,214.90

Finding the Fourth Proportional to 16,767.88, 23,140.28 and 9,214.90

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Solution

The fourth proportional to 16,767.88, 23,140.28 and 9,214.90 is: 12,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.88 : 23,140.28 = 9,214.90 : x
  2. Step 2: Convert to fraction form
    16,767.88/23,140.28 = 9,214.90/x
  3. Step 3: Cross multiply
    16,767.88x = 23,140.28 × 9,214.90
  4. Step 4: Simplify right side
    16,767.88x = 213,235,366.17
  5. Step 5: Solve for x
    x = 213,235,366.17/16,767.88
  6. Step 6: Final answer
    x = 12,716.89

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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.