Home / 16,967.78-25,444.30-5,281.90

Finding the Fourth Proportional to 16,967.78, 25,444.30 and 5,281.90

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Solution

The fourth proportional to 16,967.78, 25,444.30 and 5,281.90 is: 7,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.78 : 25,444.30 = 5,281.90 : x
  2. Step 2: Convert to fraction form
    16,967.78/25,444.30 = 5,281.90/x
  3. Step 3: Cross multiply
    16,967.78x = 25,444.30 × 5,281.90
  4. Step 4: Simplify right side
    16,967.78x = 134,394,248.17
  5. Step 5: Solve for x
    x = 134,394,248.17/16,967.78
  6. Step 6: Final answer
    x = 7,920.56

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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.