Home / 19,299.20-28,948.48-6,151.36

Finding the Fourth Proportional to 19,299.20, 28,948.48 and 6,151.36

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Solution

The fourth proportional to 19,299.20, 28,948.48 and 6,151.36 is: 9,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.20 : 28,948.48 = 6,151.36 : x
  2. Step 2: Convert to fraction form
    19,299.20/28,948.48 = 6,151.36/x
  3. Step 3: Cross multiply
    19,299.20x = 28,948.48 × 6,151.36
  4. Step 4: Simplify right side
    19,299.20x = 178,072,521.93
  5. Step 5: Solve for x
    x = 178,072,521.93/19,299.20
  6. Step 6: Final answer
    x = 9,226.94

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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.