Home / 19,320.24-28,977.12-5,466

Finding the Fourth Proportional to 19,320.24, 28,977.12 and 5,466

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Solution

The fourth proportional to 19,320.24, 28,977.12 and 5,466 is: 8,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.24 : 28,977.12 = 5,466 : x
  2. Step 2: Convert to fraction form
    19,320.24/28,977.12 = 5,466/x
  3. Step 3: Cross multiply
    19,320.24x = 28,977.12 × 5,466
  4. Step 4: Simplify right side
    19,320.24x = 158,388,937.92
  5. Step 5: Solve for x
    x = 158,388,937.92/19,320.24
  6. Step 6: Final answer
    x = 8,198.08

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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.