Home / 19,320.98-28,973.11-6,672.07

Finding the Fourth Proportional to 19,320.98, 28,973.11 and 6,672.07

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Solution

The fourth proportional to 19,320.98, 28,973.11 and 6,672.07 is: 10,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.98 : 28,973.11 = 6,672.07 : x
  2. Step 2: Convert to fraction form
    19,320.98/28,973.11 = 6,672.07/x
  3. Step 3: Cross multiply
    19,320.98x = 28,973.11 × 6,672.07
  4. Step 4: Simplify right side
    19,320.98x = 193,310,650.08
  5. Step 5: Solve for x
    x = 193,310,650.08/19,320.98
  6. Step 6: Final answer
    x = 10,005.22

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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.