Home / 14,060.80-21,083.10-5,296.60

Finding the Fourth Proportional to 14,060.80, 21,083.10 and 5,296.60

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Solution

The fourth proportional to 14,060.80, 21,083.10 and 5,296.60 is: 7,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.80 : 21,083.10 = 5,296.60 : x
  2. Step 2: Convert to fraction form
    14,060.80/21,083.10 = 5,296.60/x
  3. Step 3: Cross multiply
    14,060.80x = 21,083.10 × 5,296.60
  4. Step 4: Simplify right side
    14,060.80x = 111,668,747.46
  5. Step 5: Solve for x
    x = 111,668,747.46/14,060.80
  6. Step 6: Final answer
    x = 7,941.85

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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.