Home / 16,972.93-25,474.38-8,214.40

Finding the Fourth Proportional to 16,972.93, 25,474.38 and 8,214.40

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Solution

The fourth proportional to 16,972.93, 25,474.38 and 8,214.40 is: 12,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.93 : 25,474.38 = 8,214.40 : x
  2. Step 2: Convert to fraction form
    16,972.93/25,474.38 = 8,214.40/x
  3. Step 3: Cross multiply
    16,972.93x = 25,474.38 × 8,214.40
  4. Step 4: Simplify right side
    16,972.93x = 209,256,747.07
  5. Step 5: Solve for x
    x = 209,256,747.07/16,972.93
  6. Step 6: Final answer
    x = 12,328.85

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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.