Home / 20,254.51-27,951.17-11,301.92

Finding the Fourth Proportional to 20,254.51, 27,951.17 and 11,301.92

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Solution

The fourth proportional to 20,254.51, 27,951.17 and 11,301.92 is: 15,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.51 : 27,951.17 = 11,301.92 : x
  2. Step 2: Convert to fraction form
    20,254.51/27,951.17 = 11,301.92/x
  3. Step 3: Cross multiply
    20,254.51x = 27,951.17 × 11,301.92
  4. Step 4: Simplify right side
    20,254.51x = 315,901,887.25
  5. Step 5: Solve for x
    x = 315,901,887.25/20,254.51
  6. Step 6: Final answer
    x = 15,596.62

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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.