Home / 19,825.25-27,359.23-10,872.23

Finding the Fourth Proportional to 19,825.25, 27,359.23 and 10,872.23

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Solution

The fourth proportional to 19,825.25, 27,359.23 and 10,872.23 is: 15,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.25 : 27,359.23 = 10,872.23 : x
  2. Step 2: Convert to fraction form
    19,825.25/27,359.23 = 10,872.23/x
  3. Step 3: Cross multiply
    19,825.25x = 27,359.23 × 10,872.23
  4. Step 4: Simplify right side
    19,825.25x = 297,455,841.18
  5. Step 5: Solve for x
    x = 297,455,841.18/19,825.25
  6. Step 6: Final answer
    x = 15,003.89

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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.