Home / 19,156.05-28,672.52-10,249.16

Finding the Fourth Proportional to 19,156.05, 28,672.52 and 10,249.16

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Solution

The fourth proportional to 19,156.05, 28,672.52 and 10,249.16 is: 15,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.05 : 28,672.52 = 10,249.16 : x
  2. Step 2: Convert to fraction form
    19,156.05/28,672.52 = 10,249.16/x
  3. Step 3: Cross multiply
    19,156.05x = 28,672.52 × 10,249.16
  4. Step 4: Simplify right side
    19,156.05x = 293,869,050.47
  5. Step 5: Solve for x
    x = 293,869,050.47/19,156.05
  6. Step 6: Final answer
    x = 15,340.80

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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.