Home / 18,591.32-25,655.73-10,207.82

Finding the Fourth Proportional to 18,591.32, 25,655.73 and 10,207.82

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Solution

The fourth proportional to 18,591.32, 25,655.73 and 10,207.82 is: 14,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.32 : 25,655.73 = 10,207.82 : x
  2. Step 2: Convert to fraction form
    18,591.32/25,655.73 = 10,207.82/x
  3. Step 3: Cross multiply
    18,591.32x = 25,655.73 × 10,207.82
  4. Step 4: Simplify right side
    18,591.32x = 261,889,073.81
  5. Step 5: Solve for x
    x = 261,889,073.81/18,591.32
  6. Step 6: Final answer
    x = 14,086.63

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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.