Home / 19,542.97-26,968-12,468.63

Finding the Fourth Proportional to 19,542.97, 26,968 and 12,468.63

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Solution

The fourth proportional to 19,542.97, 26,968 and 12,468.63 is: 17,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.97 : 26,968 = 12,468.63 : x
  2. Step 2: Convert to fraction form
    19,542.97/26,968 = 12,468.63/x
  3. Step 3: Cross multiply
    19,542.97x = 26,968 × 12,468.63
  4. Step 4: Simplify right side
    19,542.97x = 336,254,013.84
  5. Step 5: Solve for x
    x = 336,254,013.84/19,542.97
  6. Step 6: Final answer
    x = 17,205.88

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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.