Home / 19,039.68-28,537.20-10,723.68

Finding the Fourth Proportional to 19,039.68, 28,537.20 and 10,723.68

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Solution

The fourth proportional to 19,039.68, 28,537.20 and 10,723.68 is: 16,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.68 : 28,537.20 = 10,723.68 : x
  2. Step 2: Convert to fraction form
    19,039.68/28,537.20 = 10,723.68/x
  3. Step 3: Cross multiply
    19,039.68x = 28,537.20 × 10,723.68
  4. Step 4: Simplify right side
    19,039.68x = 306,023,800.90
  5. Step 5: Solve for x
    x = 306,023,800.90/19,039.68
  6. Step 6: Final answer
    x = 16,072.95

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1.5x scale

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.