Home / 19,502-26,917.56-11,123.36

Finding the Fourth Proportional to 19,502, 26,917.56 and 11,123.36

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Solution

The fourth proportional to 19,502, 26,917.56 and 11,123.36 is: 15,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502 : 26,917.56 = 11,123.36 : x
  2. Step 2: Convert to fraction form
    19,502/26,917.56 = 11,123.36/x
  3. Step 3: Cross multiply
    19,502x = 26,917.56 × 11,123.36
  4. Step 4: Simplify right side
    19,502x = 299,413,710.20
  5. Step 5: Solve for x
    x = 299,413,710.20/19,502
  6. Step 6: Final answer
    x = 15,352.97

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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.