Home / 19,269.52-28,903.92-6,122.80

Finding the Fourth Proportional to 19,269.52, 28,903.92 and 6,122.80

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Solution

The fourth proportional to 19,269.52, 28,903.92 and 6,122.80 is: 9,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.52 : 28,903.92 = 6,122.80 : x
  2. Step 2: Convert to fraction form
    19,269.52/28,903.92 = 6,122.80/x
  3. Step 3: Cross multiply
    19,269.52x = 28,903.92 × 6,122.80
  4. Step 4: Simplify right side
    19,269.52x = 176,972,921.38
  5. Step 5: Solve for x
    x = 176,972,921.38/19,269.52
  6. Step 6: Final answer
    x = 9,184.09

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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.