Home / 16,793.40-25,209.30-9,871.80

Finding the Fourth Proportional to 16,793.40, 25,209.30 and 9,871.80

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Solution

The fourth proportional to 16,793.40, 25,209.30 and 9,871.80 is: 14,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.40 : 25,209.30 = 9,871.80 : x
  2. Step 2: Convert to fraction form
    16,793.40/25,209.30 = 9,871.80/x
  3. Step 3: Cross multiply
    16,793.40x = 25,209.30 × 9,871.80
  4. Step 4: Simplify right side
    16,793.40x = 248,861,167.74
  5. Step 5: Solve for x
    x = 248,861,167.74/16,793.40
  6. Step 6: Final answer
    x = 14,818.99

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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.