Home / 25,160.11-34,721.78-13,830.01

Finding the Fourth Proportional to 25,160.11, 34,721.78 and 13,830.01

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Solution

The fourth proportional to 25,160.11, 34,721.78 and 13,830.01 is: 19,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.11 : 34,721.78 = 13,830.01 : x
  2. Step 2: Convert to fraction form
    25,160.11/34,721.78 = 13,830.01/x
  3. Step 3: Cross multiply
    25,160.11x = 34,721.78 × 13,830.01
  4. Step 4: Simplify right side
    25,160.11x = 480,202,408.66
  5. Step 5: Solve for x
    x = 480,202,408.66/25,160.11
  6. Step 6: Final answer
    x = 19,085.86

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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.