Home / 19,713.74-27,205.62-10,761.78

Finding the Fourth Proportional to 19,713.74, 27,205.62 and 10,761.78

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Solution

The fourth proportional to 19,713.74, 27,205.62 and 10,761.78 is: 14,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.74 : 27,205.62 = 10,761.78 : x
  2. Step 2: Convert to fraction form
    19,713.74/27,205.62 = 10,761.78/x
  3. Step 3: Cross multiply
    19,713.74x = 27,205.62 × 10,761.78
  4. Step 4: Simplify right side
    19,713.74x = 292,780,897.20
  5. Step 5: Solve for x
    x = 292,780,897.20/19,713.74
  6. Step 6: Final answer
    x = 14,851.62

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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.