Home / 15,418.34-23,127.49-3,731.56

Finding the Fourth Proportional to 15,418.34, 23,127.49 and 3,731.56

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Solution

The fourth proportional to 15,418.34, 23,127.49 and 3,731.56 is: 5,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.34 : 23,127.49 = 3,731.56 : x
  2. Step 2: Convert to fraction form
    15,418.34/23,127.49 = 3,731.56/x
  3. Step 3: Cross multiply
    15,418.34x = 23,127.49 × 3,731.56
  4. Step 4: Simplify right side
    15,418.34x = 86,301,616.58
  5. Step 5: Solve for x
    x = 86,301,616.58/15,418.34
  6. Step 6: Final answer
    x = 5,597.34

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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.