Home / 19,647.54-29,456.58-11,854.52

Finding the Fourth Proportional to 19,647.54, 29,456.58 and 11,854.52

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Solution

The fourth proportional to 19,647.54, 29,456.58 and 11,854.52 is: 17,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.54 : 29,456.58 = 11,854.52 : x
  2. Step 2: Convert to fraction form
    19,647.54/29,456.58 = 11,854.52/x
  3. Step 3: Cross multiply
    19,647.54x = 29,456.58 × 11,854.52
  4. Step 4: Simplify right side
    19,647.54x = 349,193,616.74
  5. Step 5: Solve for x
    x = 349,193,616.74/19,647.54
  6. Step 6: Final answer
    x = 17,772.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.