Home / 19,135.20-28,694.70-5,984.04

Finding the Fourth Proportional to 19,135.20, 28,694.70 and 5,984.04

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Solution

The fourth proportional to 19,135.20, 28,694.70 and 5,984.04 is: 8,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.20 : 28,694.70 = 5,984.04 : x
  2. Step 2: Convert to fraction form
    19,135.20/28,694.70 = 5,984.04/x
  3. Step 3: Cross multiply
    19,135.20x = 28,694.70 × 5,984.04
  4. Step 4: Simplify right side
    19,135.20x = 171,710,232.59
  5. Step 5: Solve for x
    x = 171,710,232.59/19,135.20
  6. Step 6: Final answer
    x = 8,973.53

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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.