Home / 29,815.27-41,147.12-19,726.22

Finding the Fourth Proportional to 29,815.27, 41,147.12 and 19,726.22

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Solution

The fourth proportional to 29,815.27, 41,147.12 and 19,726.22 is: 27,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.27 : 41,147.12 = 19,726.22 : x
  2. Step 2: Convert to fraction form
    29,815.27/41,147.12 = 19,726.22/x
  3. Step 3: Cross multiply
    29,815.27x = 41,147.12 × 19,726.22
  4. Step 4: Simplify right side
    29,815.27x = 811,677,293.67
  5. Step 5: Solve for x
    x = 811,677,293.67/29,815.27
  6. Step 6: Final answer
    x = 27,223.55

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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.