Home / 22,104.36-30,474-15,018.48

Finding the Fourth Proportional to 22,104.36, 30,474 and 15,018.48

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Solution

The fourth proportional to 22,104.36, 30,474 and 15,018.48 is: 20,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.36 : 30,474 = 15,018.48 : x
  2. Step 2: Convert to fraction form
    22,104.36/30,474 = 15,018.48/x
  3. Step 3: Cross multiply
    22,104.36x = 30,474 × 15,018.48
  4. Step 4: Simplify right side
    22,104.36x = 457,673,159.52
  5. Step 5: Solve for x
    x = 457,673,159.52/22,104.36
  6. Step 6: Final answer
    x = 20,705.11

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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.