Home / 18,924.07-28,385.97-4,882.91

Finding the Fourth Proportional to 18,924.07, 28,385.97 and 4,882.91

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Solution

The fourth proportional to 18,924.07, 28,385.97 and 4,882.91 is: 7,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.07 : 28,385.97 = 4,882.91 : x
  2. Step 2: Convert to fraction form
    18,924.07/28,385.97 = 4,882.91/x
  3. Step 3: Cross multiply
    18,924.07x = 28,385.97 × 4,882.91
  4. Step 4: Simplify right side
    18,924.07x = 138,606,136.77
  5. Step 5: Solve for x
    x = 138,606,136.77/18,924.07
  6. Step 6: Final answer
    x = 7,324.33

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1.5x scale

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.