Home / 22,186.52-30,575.14-15,887.96

Finding the Fourth Proportional to 22,186.52, 30,575.14 and 15,887.96

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Solution

The fourth proportional to 22,186.52, 30,575.14 and 15,887.96 is: 21,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.52 : 30,575.14 = 15,887.96 : x
  2. Step 2: Convert to fraction form
    22,186.52/30,575.14 = 15,887.96/x
  3. Step 3: Cross multiply
    22,186.52x = 30,575.14 × 15,887.96
  4. Step 4: Simplify right side
    22,186.52x = 485,776,601.31
  5. Step 5: Solve for x
    x = 485,776,601.31/22,186.52
  6. Step 6: Final answer
    x = 21,895.12

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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.