Home / 18,447.60-27,663.12-5,297.04

Finding the Fourth Proportional to 18,447.60, 27,663.12 and 5,297.04

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Solution

The fourth proportional to 18,447.60, 27,663.12 and 5,297.04 is: 7,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.60 : 27,663.12 = 5,297.04 : x
  2. Step 2: Convert to fraction form
    18,447.60/27,663.12 = 5,297.04/x
  3. Step 3: Cross multiply
    18,447.60x = 27,663.12 × 5,297.04
  4. Step 4: Simplify right side
    18,447.60x = 146,532,653.16
  5. Step 5: Solve for x
    x = 146,532,653.16/18,447.60
  6. Step 6: Final answer
    x = 7,943.18

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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.