Home / 16,867.04-25,305.95-8,102.57

Finding the Fourth Proportional to 16,867.04, 25,305.95 and 8,102.57

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Solution

The fourth proportional to 16,867.04, 25,305.95 and 8,102.57 is: 12,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.04 : 25,305.95 = 8,102.57 : x
  2. Step 2: Convert to fraction form
    16,867.04/25,305.95 = 8,102.57/x
  3. Step 3: Cross multiply
    16,867.04x = 25,305.95 × 8,102.57
  4. Step 4: Simplify right side
    16,867.04x = 205,043,125.02
  5. Step 5: Solve for x
    x = 205,043,125.02/16,867.04
  6. Step 6: Final answer
    x = 12,156.44

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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.