Home / 19,039.82-28,528.20-6,553.10

Finding the Fourth Proportional to 19,039.82, 28,528.20 and 6,553.10

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Solution

The fourth proportional to 19,039.82, 28,528.20 and 6,553.10 is: 9,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.82 : 28,528.20 = 6,553.10 : x
  2. Step 2: Convert to fraction form
    19,039.82/28,528.20 = 6,553.10/x
  3. Step 3: Cross multiply
    19,039.82x = 28,528.20 × 6,553.10
  4. Step 4: Simplify right side
    19,039.82x = 186,948,147.42
  5. Step 5: Solve for x
    x = 186,948,147.42/19,039.82
  6. Step 6: Final answer
    x = 9,818.80

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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.