Home / 22,186.52-30,565.35-15,459.93

Finding the Fourth Proportional to 22,186.52, 30,565.35 and 15,459.93

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Solution

The fourth proportional to 22,186.52, 30,565.35 and 15,459.93 is: 21,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.52 : 30,565.35 = 15,459.93 : x
  2. Step 2: Convert to fraction form
    22,186.52/30,565.35 = 15,459.93/x
  3. Step 3: Cross multiply
    22,186.52x = 30,565.35 × 15,459.93
  4. Step 4: Simplify right side
    22,186.52x = 472,538,171.43
  5. Step 5: Solve for x
    x = 472,538,171.43/22,186.52
  6. Step 6: Final answer
    x = 21,298.44

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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.