Home / 16,687.80-25,031.70-6,298.20

Finding the Fourth Proportional to 16,687.80, 25,031.70 and 6,298.20

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Solution

The fourth proportional to 16,687.80, 25,031.70 and 6,298.20 is: 9,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.80 : 25,031.70 = 6,298.20 : x
  2. Step 2: Convert to fraction form
    16,687.80/25,031.70 = 6,298.20/x
  3. Step 3: Cross multiply
    16,687.80x = 25,031.70 × 6,298.20
  4. Step 4: Simplify right side
    16,687.80x = 157,654,652.94
  5. Step 5: Solve for x
    x = 157,654,652.94/16,687.80
  6. Step 6: Final answer
    x = 9,447.30

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1.5x scale

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.