Home / 18,475.74-27,707.31-5,324.58

Finding the Fourth Proportional to 18,475.74, 27,707.31 and 5,324.58

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Solution

The fourth proportional to 18,475.74, 27,707.31 and 5,324.58 is: 7,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.74 : 27,707.31 = 5,324.58 : x
  2. Step 2: Convert to fraction form
    18,475.74/27,707.31 = 5,324.58/x
  3. Step 3: Cross multiply
    18,475.74x = 27,707.31 × 5,324.58
  4. Step 4: Simplify right side
    18,475.74x = 147,529,788.68
  5. Step 5: Solve for x
    x = 147,529,788.68/18,475.74
  6. Step 6: Final answer
    x = 7,985.05

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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.