Home / 22,117.93-30,469.12-16,442.87

Finding the Fourth Proportional to 22,117.93, 30,469.12 and 16,442.87

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Solution

The fourth proportional to 22,117.93, 30,469.12 and 16,442.87 is: 22,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.93 : 30,469.12 = 16,442.87 : x
  2. Step 2: Convert to fraction form
    22,117.93/30,469.12 = 16,442.87/x
  3. Step 3: Cross multiply
    22,117.93x = 30,469.12 × 16,442.87
  4. Step 4: Simplify right side
    22,117.93x = 500,999,585.72
  5. Step 5: Solve for x
    x = 500,999,585.72/22,117.93
  6. Step 6: Final answer
    x = 22,651.29

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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.