Home / 20,324.92-28,045.02-11,943.04

Finding the Fourth Proportional to 20,324.92, 28,045.02 and 11,943.04

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Solution

The fourth proportional to 20,324.92, 28,045.02 and 11,943.04 is: 16,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.92 : 28,045.02 = 11,943.04 : x
  2. Step 2: Convert to fraction form
    20,324.92/28,045.02 = 11,943.04/x
  3. Step 3: Cross multiply
    20,324.92x = 28,045.02 × 11,943.04
  4. Step 4: Simplify right side
    20,324.92x = 334,942,795.66
  5. Step 5: Solve for x
    x = 334,942,795.66/20,324.92
  6. Step 6: Final answer
    x = 16,479.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.