Home / 16,983.90-25,475.83-11,139.14

Finding the Fourth Proportional to 16,983.90, 25,475.83 and 11,139.14

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Solution

The fourth proportional to 16,983.90, 25,475.83 and 11,139.14 is: 16,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.90 : 25,475.83 = 11,139.14 : x
  2. Step 2: Convert to fraction form
    16,983.90/25,475.83 = 11,139.14/x
  3. Step 3: Cross multiply
    16,983.90x = 25,475.83 × 11,139.14
  4. Step 4: Simplify right side
    16,983.90x = 283,778,836.99
  5. Step 5: Solve for x
    x = 283,778,836.99/16,983.90
  6. Step 6: Final answer
    x = 16,708.70

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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.