Home / 16,827.60-25,241.40-5,139.30

Finding the Fourth Proportional to 16,827.60, 25,241.40 and 5,139.30

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Solution

The fourth proportional to 16,827.60, 25,241.40 and 5,139.30 is: 7,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.60 : 25,241.40 = 5,139.30 : x
  2. Step 2: Convert to fraction form
    16,827.60/25,241.40 = 5,139.30/x
  3. Step 3: Cross multiply
    16,827.60x = 25,241.40 × 5,139.30
  4. Step 4: Simplify right side
    16,827.60x = 129,723,127.02
  5. Step 5: Solve for x
    x = 129,723,127.02/16,827.60
  6. Step 6: Final answer
    x = 7,708.95

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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.