Home / 16,750.38-23,115.70-9,679.08

Finding the Fourth Proportional to 16,750.38, 23,115.70 and 9,679.08

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Solution

The fourth proportional to 16,750.38, 23,115.70 and 9,679.08 is: 13,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.38 : 23,115.70 = 9,679.08 : x
  2. Step 2: Convert to fraction form
    16,750.38/23,115.70 = 9,679.08/x
  3. Step 3: Cross multiply
    16,750.38x = 23,115.70 × 9,679.08
  4. Step 4: Simplify right side
    16,750.38x = 223,738,709.56
  5. Step 5: Solve for x
    x = 223,738,709.56/16,750.38
  6. Step 6: Final answer
    x = 13,357.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.