Home / 16,914.28-25,371.40-6,518.76

Finding the Fourth Proportional to 16,914.28, 25,371.40 and 6,518.76

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Solution

The fourth proportional to 16,914.28, 25,371.40 and 6,518.76 is: 9,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.28 : 25,371.40 = 6,518.76 : x
  2. Step 2: Convert to fraction form
    16,914.28/25,371.40 = 6,518.76/x
  3. Step 3: Cross multiply
    16,914.28x = 25,371.40 × 6,518.76
  4. Step 4: Simplify right side
    16,914.28x = 165,390,067.46
  5. Step 5: Solve for x
    x = 165,390,067.46/16,914.28
  6. Step 6: Final answer
    x = 9,778.13

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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.