Home / 14,517.36-21,785.76-5,283.36

Finding the Fourth Proportional to 14,517.36, 21,785.76 and 5,283.36

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Solution

The fourth proportional to 14,517.36, 21,785.76 and 5,283.36 is: 7,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.36 : 21,785.76 = 5,283.36 : x
  2. Step 2: Convert to fraction form
    14,517.36/21,785.76 = 5,283.36/x
  3. Step 3: Cross multiply
    14,517.36x = 21,785.76 × 5,283.36
  4. Step 4: Simplify right side
    14,517.36x = 115,102,012.95
  5. Step 5: Solve for x
    x = 115,102,012.95/14,517.36
  6. Step 6: Final answer
    x = 7,928.58

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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.