Home / 19,825.88-27,360.06-11,442.68

Finding the Fourth Proportional to 19,825.88, 27,360.06 and 11,442.68

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Solution

The fourth proportional to 19,825.88, 27,360.06 and 11,442.68 is: 15,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.88 : 27,360.06 = 11,442.68 : x
  2. Step 2: Convert to fraction form
    19,825.88/27,360.06 = 11,442.68/x
  3. Step 3: Cross multiply
    19,825.88x = 27,360.06 × 11,442.68
  4. Step 4: Simplify right side
    19,825.88x = 313,072,411.36
  5. Step 5: Solve for x
    x = 313,072,411.36/19,825.88
  6. Step 6: Final answer
    x = 15,791.10

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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.