Home / 16,857.12-23,251.92-10,394.40

Finding the Fourth Proportional to 16,857.12, 23,251.92 and 10,394.40

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Solution

The fourth proportional to 16,857.12, 23,251.92 and 10,394.40 is: 14,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.12 : 23,251.92 = 10,394.40 : x
  2. Step 2: Convert to fraction form
    16,857.12/23,251.92 = 10,394.40/x
  3. Step 3: Cross multiply
    16,857.12x = 23,251.92 × 10,394.40
  4. Step 4: Simplify right side
    16,857.12x = 241,689,757.25
  5. Step 5: Solve for x
    x = 241,689,757.25/16,857.12
  6. Step 6: Final answer
    x = 14,337.55

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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.