Home / 17,961.12-26,965.52-15,345.42

Finding the Fourth Proportional to 17,961.12, 26,965.52 and 15,345.42

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Solution

The fourth proportional to 17,961.12, 26,965.52 and 15,345.42 is: 23,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.12 : 26,965.52 = 15,345.42 : x
  2. Step 2: Convert to fraction form
    17,961.12/26,965.52 = 15,345.42/x
  3. Step 3: Cross multiply
    17,961.12x = 26,965.52 × 15,345.42
  4. Step 4: Simplify right side
    17,961.12x = 413,797,358.72
  5. Step 5: Solve for x
    x = 413,797,358.72/17,961.12
  6. Step 6: Final answer
    x = 23,038.51

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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.