Home / 18,429.16-27,648.48-5,282.44

Finding the Fourth Proportional to 18,429.16, 27,648.48 and 5,282.44

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Solution

The fourth proportional to 18,429.16, 27,648.48 and 5,282.44 is: 7,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.16 : 27,648.48 = 5,282.44 : x
  2. Step 2: Convert to fraction form
    18,429.16/27,648.48 = 5,282.44/x
  3. Step 3: Cross multiply
    18,429.16x = 27,648.48 × 5,282.44
  4. Step 4: Simplify right side
    18,429.16x = 146,051,436.69
  5. Step 5: Solve for x
    x = 146,051,436.69/18,429.16
  6. Step 6: Final answer
    x = 7,925.02

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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.