Home / 19,827.92-29,778.86-17,456.84

Finding the Fourth Proportional to 19,827.92, 29,778.86 and 17,456.84

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Solution

The fourth proportional to 19,827.92, 29,778.86 and 17,456.84 is: 26,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.92 : 29,778.86 = 17,456.84 : x
  2. Step 2: Convert to fraction form
    19,827.92/29,778.86 = 17,456.84/x
  3. Step 3: Cross multiply
    19,827.92x = 29,778.86 × 17,456.84
  4. Step 4: Simplify right side
    19,827.92x = 519,844,794.40
  5. Step 5: Solve for x
    x = 519,844,794.40/19,827.92
  6. Step 6: Final answer
    x = 26,217.82

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1.5x scale

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.