Home / 19,905.29-27,468.61-10,951.95

Finding the Fourth Proportional to 19,905.29, 27,468.61 and 10,951.95

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Solution

The fourth proportional to 19,905.29, 27,468.61 and 10,951.95 is: 15,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.29 : 27,468.61 = 10,951.95 : x
  2. Step 2: Convert to fraction form
    19,905.29/27,468.61 = 10,951.95/x
  3. Step 3: Cross multiply
    19,905.29x = 27,468.61 × 10,951.95
  4. Step 4: Simplify right side
    19,905.29x = 300,834,815.91
  5. Step 5: Solve for x
    x = 300,834,815.91/19,905.29
  6. Step 6: Final answer
    x = 15,113.31

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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.