Home / 19,086.68-28,621.68-7,834.32

Finding the Fourth Proportional to 19,086.68, 28,621.68 and 7,834.32

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Solution

The fourth proportional to 19,086.68, 28,621.68 and 7,834.32 is: 11,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.68 : 28,621.68 = 7,834.32 : x
  2. Step 2: Convert to fraction form
    19,086.68/28,621.68 = 7,834.32/x
  3. Step 3: Cross multiply
    19,086.68x = 28,621.68 × 7,834.32
  4. Step 4: Simplify right side
    19,086.68x = 224,231,400.06
  5. Step 5: Solve for x
    x = 224,231,400.06/19,086.68
  6. Step 6: Final answer
    x = 11,748.06

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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.