Home / 18,607.43-25,672.45-11,429.82

Finding the Fourth Proportional to 18,607.43, 25,672.45 and 11,429.82

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Solution

The fourth proportional to 18,607.43, 25,672.45 and 11,429.82 is: 15,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.43 : 25,672.45 = 11,429.82 : x
  2. Step 2: Convert to fraction form
    18,607.43/25,672.45 = 11,429.82/x
  3. Step 3: Cross multiply
    18,607.43x = 25,672.45 × 11,429.82
  4. Step 4: Simplify right side
    18,607.43x = 293,431,482.46
  5. Step 5: Solve for x
    x = 293,431,482.46/18,607.43
  6. Step 6: Final answer
    x = 15,769.59

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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.