Home / 19,299.72-28,943.59-6,816.87

Finding the Fourth Proportional to 19,299.72, 28,943.59 and 6,816.87

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Solution

The fourth proportional to 19,299.72, 28,943.59 and 6,816.87 is: 10,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.72 : 28,943.59 = 6,816.87 : x
  2. Step 2: Convert to fraction form
    19,299.72/28,943.59 = 6,816.87/x
  3. Step 3: Cross multiply
    19,299.72x = 28,943.59 × 6,816.87
  4. Step 4: Simplify right side
    19,299.72x = 197,304,690.36
  5. Step 5: Solve for x
    x = 197,304,690.36/19,299.72
  6. Step 6: Final answer
    x = 10,223.19

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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.