Home / 14,129.52-21,190.20-5,696.02

Finding the Fourth Proportional to 14,129.52, 21,190.20 and 5,696.02

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Solution

The fourth proportional to 14,129.52, 21,190.20 and 5,696.02 is: 8,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.52 : 21,190.20 = 5,696.02 : x
  2. Step 2: Convert to fraction form
    14,129.52/21,190.20 = 5,696.02/x
  3. Step 3: Cross multiply
    14,129.52x = 21,190.20 × 5,696.02
  4. Step 4: Simplify right side
    14,129.52x = 120,699,803.00
  5. Step 5: Solve for x
    x = 120,699,803.00/14,129.52
  6. Step 6: Final answer
    x = 8,542.39

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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.