Home / 14,141.25-19,515.33-7,854.03

Finding the Fourth Proportional to 14,141.25, 19,515.33 and 7,854.03

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Solution

The fourth proportional to 14,141.25, 19,515.33 and 7,854.03 is: 10,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.25 : 19,515.33 = 7,854.03 : x
  2. Step 2: Convert to fraction form
    14,141.25/19,515.33 = 7,854.03/x
  3. Step 3: Cross multiply
    14,141.25x = 19,515.33 × 7,854.03
  4. Step 4: Simplify right side
    14,141.25x = 153,273,987.28
  5. Step 5: Solve for x
    x = 153,273,987.28/14,141.25
  6. Step 6: Final answer
    x = 10,838.79

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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.