Home / 17,919.74-24,726.45-9,961.94

Finding the Fourth Proportional to 17,919.74, 24,726.45 and 9,961.94

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Solution

The fourth proportional to 17,919.74, 24,726.45 and 9,961.94 is: 13,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.74 : 24,726.45 = 9,961.94 : x
  2. Step 2: Convert to fraction form
    17,919.74/24,726.45 = 9,961.94/x
  3. Step 3: Cross multiply
    17,919.74x = 24,726.45 × 9,961.94
  4. Step 4: Simplify right side
    17,919.74x = 246,323,411.31
  5. Step 5: Solve for x
    x = 246,323,411.31/17,919.74
  6. Step 6: Final answer
    x = 13,745.93

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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.