Home / 19,786.16-27,304.80-10,711.46

Finding the Fourth Proportional to 19,786.16, 27,304.80 and 10,711.46

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Solution

The fourth proportional to 19,786.16, 27,304.80 and 10,711.46 is: 14,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.16 : 27,304.80 = 10,711.46 : x
  2. Step 2: Convert to fraction form
    19,786.16/27,304.80 = 10,711.46/x
  3. Step 3: Cross multiply
    19,786.16x = 27,304.80 × 10,711.46
  4. Step 4: Simplify right side
    19,786.16x = 292,474,273.01
  5. Step 5: Solve for x
    x = 292,474,273.01/19,786.16
  6. Step 6: Final answer
    x = 14,781.76

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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.