Home / 19,509.11-26,922.54-11,013.02

Finding the Fourth Proportional to 19,509.11, 26,922.54 and 11,013.02

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Solution

The fourth proportional to 19,509.11, 26,922.54 and 11,013.02 is: 15,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.11 : 26,922.54 = 11,013.02 : x
  2. Step 2: Convert to fraction form
    19,509.11/26,922.54 = 11,013.02/x
  3. Step 3: Cross multiply
    19,509.11x = 26,922.54 × 11,013.02
  4. Step 4: Simplify right side
    19,509.11x = 296,498,471.47
  5. Step 5: Solve for x
    x = 296,498,471.47/19,509.11
  6. Step 6: Final answer
    x = 15,197.95

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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.