Home / 15,908.54-23,862.56-3,900.81

Finding the Fourth Proportional to 15,908.54, 23,862.56 and 3,900.81

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Solution

The fourth proportional to 15,908.54, 23,862.56 and 3,900.81 is: 5,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.54 : 23,862.56 = 3,900.81 : x
  2. Step 2: Convert to fraction form
    15,908.54/23,862.56 = 3,900.81/x
  3. Step 3: Cross multiply
    15,908.54x = 23,862.56 × 3,900.81
  4. Step 4: Simplify right side
    15,908.54x = 93,083,293.17
  5. Step 5: Solve for x
    x = 93,083,293.17/15,908.54
  6. Step 6: Final answer
    x = 5,851.15

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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.