Home / 22,186.88-30,565.87-15,460.31

Finding the Fourth Proportional to 22,186.88, 30,565.87 and 15,460.31

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Solution

The fourth proportional to 22,186.88, 30,565.87 and 15,460.31 is: 21,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.88 : 30,565.87 = 15,460.31 : x
  2. Step 2: Convert to fraction form
    22,186.88/30,565.87 = 15,460.31/x
  3. Step 3: Cross multiply
    22,186.88x = 30,565.87 × 15,460.31
  4. Step 4: Simplify right side
    22,186.88x = 472,557,634.14
  5. Step 5: Solve for x
    x = 472,557,634.14/22,186.88
  6. Step 6: Final answer
    x = 21,298.97

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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.