Home / 19,824.72-27,357.96-10,872.24

Finding the Fourth Proportional to 19,824.72, 27,357.96 and 10,872.24

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Solution

The fourth proportional to 19,824.72, 27,357.96 and 10,872.24 is: 15,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.72 : 27,357.96 = 10,872.24 : x
  2. Step 2: Convert to fraction form
    19,824.72/27,357.96 = 10,872.24/x
  3. Step 3: Cross multiply
    19,824.72x = 27,357.96 × 10,872.24
  4. Step 4: Simplify right side
    19,824.72x = 297,442,307.03
  5. Step 5: Solve for x
    x = 297,442,307.03/19,824.72
  6. Step 6: Final answer
    x = 15,003.61

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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.