Home / 19,973.96-29,961.70-6,648.14

Finding the Fourth Proportional to 19,973.96, 29,961.70 and 6,648.14

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Solution

The fourth proportional to 19,973.96, 29,961.70 and 6,648.14 is: 9,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.96 : 29,961.70 = 6,648.14 : x
  2. Step 2: Convert to fraction form
    19,973.96/29,961.70 = 6,648.14/x
  3. Step 3: Cross multiply
    19,973.96x = 29,961.70 × 6,648.14
  4. Step 4: Simplify right side
    19,973.96x = 199,189,634.52
  5. Step 5: Solve for x
    x = 199,189,634.52/19,973.96
  6. Step 6: Final answer
    x = 9,972.47

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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.