Home / 19,273.11-26,599.90-11,721.81

Finding the Fourth Proportional to 19,273.11, 26,599.90 and 11,721.81

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Solution

The fourth proportional to 19,273.11, 26,599.90 and 11,721.81 is: 16,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.11 : 26,599.90 = 11,721.81 : x
  2. Step 2: Convert to fraction form
    19,273.11/26,599.90 = 11,721.81/x
  3. Step 3: Cross multiply
    19,273.11x = 26,599.90 × 11,721.81
  4. Step 4: Simplify right side
    19,273.11x = 311,798,906.16
  5. Step 5: Solve for x
    x = 311,798,906.16/19,273.11
  6. Step 6: Final answer
    x = 16,177.93

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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.