Home / 17,145.38-23,660.50-9,591.68

Finding the Fourth Proportional to 17,145.38, 23,660.50 and 9,591.68

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Solution

The fourth proportional to 17,145.38, 23,660.50 and 9,591.68 is: 13,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.38 : 23,660.50 = 9,591.68 : x
  2. Step 2: Convert to fraction form
    17,145.38/23,660.50 = 9,591.68/x
  3. Step 3: Cross multiply
    17,145.38x = 23,660.50 × 9,591.68
  4. Step 4: Simplify right side
    17,145.38x = 226,943,944.64
  5. Step 5: Solve for x
    x = 226,943,944.64/17,145.38
  6. Step 6: Final answer
    x = 13,236.45

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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.