Home / 20,104.91-27,726.60-12,551.93

Finding the Fourth Proportional to 20,104.91, 27,726.60 and 12,551.93

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Solution

The fourth proportional to 20,104.91, 27,726.60 and 12,551.93 is: 17,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.91 : 27,726.60 = 12,551.93 : x
  2. Step 2: Convert to fraction form
    20,104.91/27,726.60 = 12,551.93/x
  3. Step 3: Cross multiply
    20,104.91x = 27,726.60 × 12,551.93
  4. Step 4: Simplify right side
    20,104.91x = 348,022,203.71
  5. Step 5: Solve for x
    x = 348,022,203.71/20,104.91
  6. Step 6: Final answer
    x = 17,310.31

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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.