Home / 17,145.15-23,660.15-9,591.39

Finding the Fourth Proportional to 17,145.15, 23,660.15 and 9,591.39

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Solution

The fourth proportional to 17,145.15, 23,660.15 and 9,591.39 is: 13,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.15 : 23,660.15 = 9,591.39 : x
  2. Step 2: Convert to fraction form
    17,145.15/23,660.15 = 9,591.39/x
  3. Step 3: Cross multiply
    17,145.15x = 23,660.15 × 9,591.39
  4. Step 4: Simplify right side
    17,145.15x = 226,933,678.15
  5. Step 5: Solve for x
    x = 226,933,678.15/17,145.15
  6. Step 6: Final answer
    x = 13,236.03

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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.