Home / 13,309.14-19,935.08-6,278.60

Finding the Fourth Proportional to 13,309.14, 19,935.08 and 6,278.60

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Solution

The fourth proportional to 13,309.14, 19,935.08 and 6,278.60 is: 9,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.14 : 19,935.08 = 6,278.60 : x
  2. Step 2: Convert to fraction form
    13,309.14/19,935.08 = 6,278.60/x
  3. Step 3: Cross multiply
    13,309.14x = 19,935.08 × 6,278.60
  4. Step 4: Simplify right side
    13,309.14x = 125,164,393.29
  5. Step 5: Solve for x
    x = 125,164,393.29/13,309.14
  6. Step 6: Final answer
    x = 9,404.39

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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.