Home / 19,853.80-27,397.32-11,900.44

Finding the Fourth Proportional to 19,853.80, 27,397.32 and 11,900.44

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Solution

The fourth proportional to 19,853.80, 27,397.32 and 11,900.44 is: 16,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.80 : 27,397.32 = 11,900.44 : x
  2. Step 2: Convert to fraction form
    19,853.80/27,397.32 = 11,900.44/x
  3. Step 3: Cross multiply
    19,853.80x = 27,397.32 × 11,900.44
  4. Step 4: Simplify right side
    19,853.80x = 326,040,162.82
  5. Step 5: Solve for x
    x = 326,040,162.82/19,853.80
  6. Step 6: Final answer
    x = 16,422.05

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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.