Home / 17,115.24-23,604.66-13,572.84

Finding the Fourth Proportional to 17,115.24, 23,604.66 and 13,572.84

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Solution

The fourth proportional to 17,115.24, 23,604.66 and 13,572.84 is: 18,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.24 : 23,604.66 = 13,572.84 : x
  2. Step 2: Convert to fraction form
    17,115.24/23,604.66 = 13,572.84/x
  3. Step 3: Cross multiply
    17,115.24x = 23,604.66 × 13,572.84
  4. Step 4: Simplify right side
    17,115.24x = 320,382,273.43
  5. Step 5: Solve for x
    x = 320,382,273.43/17,115.24
  6. Step 6: Final answer
    x = 18,719.12

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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.