Home / 25,172.78-34,739.31-13,842.74

Finding the Fourth Proportional to 25,172.78, 34,739.31 and 13,842.74

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Solution

The fourth proportional to 25,172.78, 34,739.31 and 13,842.74 is: 19,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.78 : 34,739.31 = 13,842.74 : x
  2. Step 2: Convert to fraction form
    25,172.78/34,739.31 = 13,842.74/x
  3. Step 3: Cross multiply
    25,172.78x = 34,739.31 × 13,842.74
  4. Step 4: Simplify right side
    25,172.78x = 480,887,236.11
  5. Step 5: Solve for x
    x = 480,887,236.11/25,172.78
  6. Step 6: Final answer
    x = 19,103.46

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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.