Home / 13,024.22-17,974.78-7,719.53

Finding the Fourth Proportional to 13,024.22, 17,974.78 and 7,719.53

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Solution

The fourth proportional to 13,024.22, 17,974.78 and 7,719.53 is: 10,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.22 : 17,974.78 = 7,719.53 : x
  2. Step 2: Convert to fraction form
    13,024.22/17,974.78 = 7,719.53/x
  3. Step 3: Cross multiply
    13,024.22x = 17,974.78 × 7,719.53
  4. Step 4: Simplify right side
    13,024.22x = 138,756,744.28
  5. Step 5: Solve for x
    x = 138,756,744.28/13,024.22
  6. Step 6: Final answer
    x = 10,653.75

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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.