Home / 19,208.02-28,813.17-5,357.02

Finding the Fourth Proportional to 19,208.02, 28,813.17 and 5,357.02

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Solution

The fourth proportional to 19,208.02, 28,813.17 and 5,357.02 is: 8,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.02 : 28,813.17 = 5,357.02 : x
  2. Step 2: Convert to fraction form
    19,208.02/28,813.17 = 5,357.02/x
  3. Step 3: Cross multiply
    19,208.02x = 28,813.17 × 5,357.02
  4. Step 4: Simplify right side
    19,208.02x = 154,352,727.95
  5. Step 5: Solve for x
    x = 154,352,727.95/19,208.02
  6. Step 6: Final answer
    x = 8,035.85

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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.