Home / 17,791.74-26,557.32-15,689.92

Finding the Fourth Proportional to 17,791.74, 26,557.32 and 15,689.92

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Solution

The fourth proportional to 17,791.74, 26,557.32 and 15,689.92 is: 23,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.74 : 26,557.32 = 15,689.92 : x
  2. Step 2: Convert to fraction form
    17,791.74/26,557.32 = 15,689.92/x
  3. Step 3: Cross multiply
    17,791.74x = 26,557.32 × 15,689.92
  4. Step 4: Simplify right side
    17,791.74x = 416,682,226.21
  5. Step 5: Solve for x
    x = 416,682,226.21/17,791.74
  6. Step 6: Final answer
    x = 23,419.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.