Home / 16,465.26-22,721.88-8,911.56

Finding the Fourth Proportional to 16,465.26, 22,721.88 and 8,911.56

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Solution

The fourth proportional to 16,465.26, 22,721.88 and 8,911.56 is: 12,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.26 : 22,721.88 = 8,911.56 : x
  2. Step 2: Convert to fraction form
    16,465.26/22,721.88 = 8,911.56/x
  3. Step 3: Cross multiply
    16,465.26x = 22,721.88 × 8,911.56
  4. Step 4: Simplify right side
    16,465.26x = 202,487,396.93
  5. Step 5: Solve for x
    x = 202,487,396.93/16,465.26
  6. Step 6: Final answer
    x = 12,297.86

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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.