Home / 15,104.48-20,844.96-11,372

Finding the Fourth Proportional to 15,104.48, 20,844.96 and 11,372

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Solution

The fourth proportional to 15,104.48, 20,844.96 and 11,372 is: 15,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.48 : 20,844.96 = 11,372 : x
  2. Step 2: Convert to fraction form
    15,104.48/20,844.96 = 11,372/x
  3. Step 3: Cross multiply
    15,104.48x = 20,844.96 × 11,372
  4. Step 4: Simplify right side
    15,104.48x = 237,048,885.12
  5. Step 5: Solve for x
    x = 237,048,885.12/15,104.48
  6. Step 6: Final answer
    x = 15,693.95

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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.