Home / 22,342.52-30,833.62-13,388.34

Finding the Fourth Proportional to 22,342.52, 30,833.62 and 13,388.34

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Solution

The fourth proportional to 22,342.52, 30,833.62 and 13,388.34 is: 18,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.52 : 30,833.62 = 13,388.34 : x
  2. Step 2: Convert to fraction form
    22,342.52/30,833.62 = 13,388.34/x
  3. Step 3: Cross multiply
    22,342.52x = 30,833.62 × 13,388.34
  4. Step 4: Simplify right side
    22,342.52x = 412,810,987.99
  5. Step 5: Solve for x
    x = 412,810,987.99/22,342.52
  6. Step 6: Final answer
    x = 18,476.47

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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.