Home / 21,834.85-30,133.33-16,520.44

Finding the Fourth Proportional to 21,834.85, 30,133.33 and 16,520.44

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Solution

The fourth proportional to 21,834.85, 30,133.33 and 16,520.44 is: 22,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.85 : 30,133.33 = 16,520.44 : x
  2. Step 2: Convert to fraction form
    21,834.85/30,133.33 = 16,520.44/x
  3. Step 3: Cross multiply
    21,834.85x = 30,133.33 × 16,520.44
  4. Step 4: Simplify right side
    21,834.85x = 497,815,870.27
  5. Step 5: Solve for x
    x = 497,815,870.27/21,834.85
  6. Step 6: Final answer
    x = 22,799.14

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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.