Home / 19,820.44-29,725.80-6,672.52

Finding the Fourth Proportional to 19,820.44, 29,725.80 and 6,672.52

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Solution

The fourth proportional to 19,820.44, 29,725.80 and 6,672.52 is: 10,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.44 : 29,725.80 = 6,672.52 : x
  2. Step 2: Convert to fraction form
    19,820.44/29,725.80 = 6,672.52/x
  3. Step 3: Cross multiply
    19,820.44x = 29,725.80 × 6,672.52
  4. Step 4: Simplify right side
    19,820.44x = 198,345,995.02
  5. Step 5: Solve for x
    x = 198,345,995.02/19,820.44
  6. Step 6: Final answer
    x = 10,007.14

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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.