Home / 19,947.47-29,926.36-7,468.47

Finding the Fourth Proportional to 19,947.47, 29,926.36 and 7,468.47

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Solution

The fourth proportional to 19,947.47, 29,926.36 and 7,468.47 is: 11,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.47 : 29,926.36 = 7,468.47 : x
  2. Step 2: Convert to fraction form
    19,947.47/29,926.36 = 7,468.47/x
  3. Step 3: Cross multiply
    19,947.47x = 29,926.36 × 7,468.47
  4. Step 4: Simplify right side
    19,947.47x = 223,504,131.20
  5. Step 5: Solve for x
    x = 223,504,131.20/19,947.47
  6. Step 6: Final answer
    x = 11,204.64

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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.