Home / 20,254.88-27,951.54-11,302.16

Finding the Fourth Proportional to 20,254.88, 27,951.54 and 11,302.16

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Solution

The fourth proportional to 20,254.88, 27,951.54 and 11,302.16 is: 15,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.88 : 27,951.54 = 11,302.16 : x
  2. Step 2: Convert to fraction form
    20,254.88/27,951.54 = 11,302.16/x
  3. Step 3: Cross multiply
    20,254.88x = 27,951.54 × 11,302.16
  4. Step 4: Simplify right side
    20,254.88x = 315,912,777.33
  5. Step 5: Solve for x
    x = 315,912,777.33/20,254.88
  6. Step 6: Final answer
    x = 15,596.87

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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.