Home / 19,713.91-27,205.31-10,761.63

Finding the Fourth Proportional to 19,713.91, 27,205.31 and 10,761.63

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Solution

The fourth proportional to 19,713.91, 27,205.31 and 10,761.63 is: 14,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.91 : 27,205.31 = 10,761.63 : x
  2. Step 2: Convert to fraction form
    19,713.91/27,205.31 = 10,761.63/x
  3. Step 3: Cross multiply
    19,713.91x = 27,205.31 × 10,761.63
  4. Step 4: Simplify right side
    19,713.91x = 292,773,480.26
  5. Step 5: Solve for x
    x = 292,773,480.26/19,713.91
  6. Step 6: Final answer
    x = 14,851.11

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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.