Home / 13,126.20-19,696.50-6,200.52

Finding the Fourth Proportional to 13,126.20, 19,696.50 and 6,200.52

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Solution

The fourth proportional to 13,126.20, 19,696.50 and 6,200.52 is: 9,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.20 : 19,696.50 = 6,200.52 : x
  2. Step 2: Convert to fraction form
    13,126.20/19,696.50 = 6,200.52/x
  3. Step 3: Cross multiply
    13,126.20x = 19,696.50 × 6,200.52
  4. Step 4: Simplify right side
    13,126.20x = 122,128,542.18
  5. Step 5: Solve for x
    x = 122,128,542.18/13,126.20
  6. Step 6: Final answer
    x = 9,304.18

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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.