Home / 16,946.80-25,427.40-8,177.20

Finding the Fourth Proportional to 16,946.80, 25,427.40 and 8,177.20

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Solution

The fourth proportional to 16,946.80, 25,427.40 and 8,177.20 is: 12,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.80 : 25,427.40 = 8,177.20 : x
  2. Step 2: Convert to fraction form
    16,946.80/25,427.40 = 8,177.20/x
  3. Step 3: Cross multiply
    16,946.80x = 25,427.40 × 8,177.20
  4. Step 4: Simplify right side
    16,946.80x = 207,924,935.28
  5. Step 5: Solve for x
    x = 207,924,935.28/16,946.80
  6. Step 6: Final answer
    x = 12,269.27

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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.