Home / 13,744.28-18,966.60-7,456.52

Finding the Fourth Proportional to 13,744.28, 18,966.60 and 7,456.52

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Solution

The fourth proportional to 13,744.28, 18,966.60 and 7,456.52 is: 10,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.28 : 18,966.60 = 7,456.52 : x
  2. Step 2: Convert to fraction form
    13,744.28/18,966.60 = 7,456.52/x
  3. Step 3: Cross multiply
    13,744.28x = 18,966.60 × 7,456.52
  4. Step 4: Simplify right side
    13,744.28x = 141,424,832.23
  5. Step 5: Solve for x
    x = 141,424,832.23/13,744.28
  6. Step 6: Final answer
    x = 10,289.72

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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.