Home / 14,531.52-21,802.80-7,601.28

Finding the Fourth Proportional to 14,531.52, 21,802.80 and 7,601.28

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Solution

The fourth proportional to 14,531.52, 21,802.80 and 7,601.28 is: 11,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.52 : 21,802.80 = 7,601.28 : x
  2. Step 2: Convert to fraction form
    14,531.52/21,802.80 = 7,601.28/x
  3. Step 3: Cross multiply
    14,531.52x = 21,802.80 × 7,601.28
  4. Step 4: Simplify right side
    14,531.52x = 165,729,187.58
  5. Step 5: Solve for x
    x = 165,729,187.58/14,531.52
  6. Step 6: Final answer
    x = 11,404.81

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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.