Home / 15,900.44-23,851.16-7,581.36

Finding the Fourth Proportional to 15,900.44, 23,851.16 and 7,581.36

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Solution

The fourth proportional to 15,900.44, 23,851.16 and 7,581.36 is: 11,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.44 : 23,851.16 = 7,581.36 : x
  2. Step 2: Convert to fraction form
    15,900.44/23,851.16 = 7,581.36/x
  3. Step 3: Cross multiply
    15,900.44x = 23,851.16 × 7,581.36
  4. Step 4: Simplify right side
    15,900.44x = 180,824,230.38
  5. Step 5: Solve for x
    x = 180,824,230.38/15,900.44
  6. Step 6: Final answer
    x = 11,372.28

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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.