Home / 22,569.98-31,143.92-13,009.75

Finding the Fourth Proportional to 22,569.98, 31,143.92 and 13,009.75

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Solution

The fourth proportional to 22,569.98, 31,143.92 and 13,009.75 is: 17,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.98 : 31,143.92 = 13,009.75 : x
  2. Step 2: Convert to fraction form
    22,569.98/31,143.92 = 13,009.75/x
  3. Step 3: Cross multiply
    22,569.98x = 31,143.92 × 13,009.75
  4. Step 4: Simplify right side
    22,569.98x = 405,174,626.03
  5. Step 5: Solve for x
    x = 405,174,626.03/22,569.98
  6. Step 6: Final answer
    x = 17,951.93

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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.