Home / 18,475.03-27,711.70-6,787.39

Finding the Fourth Proportional to 18,475.03, 27,711.70 and 6,787.39

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Solution

The fourth proportional to 18,475.03, 27,711.70 and 6,787.39 is: 10,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.03 : 27,711.70 = 6,787.39 : x
  2. Step 2: Convert to fraction form
    18,475.03/27,711.70 = 6,787.39/x
  3. Step 3: Cross multiply
    18,475.03x = 27,711.70 × 6,787.39
  4. Step 4: Simplify right side
    18,475.03x = 188,090,115.46
  5. Step 5: Solve for x
    x = 188,090,115.46/18,475.03
  6. Step 6: Final answer
    x = 10,180.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.