Home / 19,115.04-28,671.96-5,263.92

Finding the Fourth Proportional to 19,115.04, 28,671.96 and 5,263.92

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Solution

The fourth proportional to 19,115.04, 28,671.96 and 5,263.92 is: 7,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.04 : 28,671.96 = 5,263.92 : x
  2. Step 2: Convert to fraction form
    19,115.04/28,671.96 = 5,263.92/x
  3. Step 3: Cross multiply
    19,115.04x = 28,671.96 × 5,263.92
  4. Step 4: Simplify right side
    19,115.04x = 150,926,903.68
  5. Step 5: Solve for x
    x = 150,926,903.68/19,115.04
  6. Step 6: Final answer
    x = 7,895.71

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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.