Home / 18,850.12-26,011.20-10,894.90

Finding the Fourth Proportional to 18,850.12, 26,011.20 and 10,894.90

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Solution

The fourth proportional to 18,850.12, 26,011.20 and 10,894.90 is: 15,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.12 : 26,011.20 = 10,894.90 : x
  2. Step 2: Convert to fraction form
    18,850.12/26,011.20 = 10,894.90/x
  3. Step 3: Cross multiply
    18,850.12x = 26,011.20 × 10,894.90
  4. Step 4: Simplify right side
    18,850.12x = 283,389,422.88
  5. Step 5: Solve for x
    x = 283,389,422.88/18,850.12
  6. Step 6: Final answer
    x = 15,033.83

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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.