Home / 19,391.06-29,058.71-11,053.89

Finding the Fourth Proportional to 19,391.06, 29,058.71 and 11,053.89

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Solution

The fourth proportional to 19,391.06, 29,058.71 and 11,053.89 is: 16,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.06 : 29,058.71 = 11,053.89 : x
  2. Step 2: Convert to fraction form
    19,391.06/29,058.71 = 11,053.89/x
  3. Step 3: Cross multiply
    19,391.06x = 29,058.71 × 11,053.89
  4. Step 4: Simplify right side
    19,391.06x = 321,211,728.61
  5. Step 5: Solve for x
    x = 321,211,728.61/19,391.06
  6. Step 6: Final answer
    x = 16,564.94

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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.