Home / 19,382.34-29,074.05-5,342.56

Finding the Fourth Proportional to 19,382.34, 29,074.05 and 5,342.56

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Solution

The fourth proportional to 19,382.34, 29,074.05 and 5,342.56 is: 8,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.34 : 29,074.05 = 5,342.56 : x
  2. Step 2: Convert to fraction form
    19,382.34/29,074.05 = 5,342.56/x
  3. Step 3: Cross multiply
    19,382.34x = 29,074.05 × 5,342.56
  4. Step 4: Simplify right side
    19,382.34x = 155,329,856.57
  5. Step 5: Solve for x
    x = 155,329,856.57/19,382.34
  6. Step 6: Final answer
    x = 8,013.99

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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.