Home / 19,825.22-27,359.18-10,872.19

Finding the Fourth Proportional to 19,825.22, 27,359.18 and 10,872.19

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Solution

The fourth proportional to 19,825.22, 27,359.18 and 10,872.19 is: 15,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.22 : 27,359.18 = 10,872.19 : x
  2. Step 2: Convert to fraction form
    19,825.22/27,359.18 = 10,872.19/x
  3. Step 3: Cross multiply
    19,825.22x = 27,359.18 × 10,872.19
  4. Step 4: Simplify right side
    19,825.22x = 297,454,203.20
  5. Step 5: Solve for x
    x = 297,454,203.20/19,825.22
  6. Step 6: Final answer
    x = 15,003.83

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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.