Home / 16,938.13-25,406.96-5,251.35

Finding the Fourth Proportional to 16,938.13, 25,406.96 and 5,251.35

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Solution

The fourth proportional to 16,938.13, 25,406.96 and 5,251.35 is: 7,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.13 : 25,406.96 = 5,251.35 : x
  2. Step 2: Convert to fraction form
    16,938.13/25,406.96 = 5,251.35/x
  3. Step 3: Cross multiply
    16,938.13x = 25,406.96 × 5,251.35
  4. Step 4: Simplify right side
    16,938.13x = 133,420,699.23
  5. Step 5: Solve for x
    x = 133,420,699.23/16,938.13
  6. Step 6: Final answer
    x = 7,876.95

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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.