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Finding the Fourth Proportional to 16,103.93, 22,223.40 and 8,934.93

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Solution

The fourth proportional to 16,103.93, 22,223.40 and 8,934.93 is: 12,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.93 : 22,223.40 = 8,934.93 : x
  2. Step 2: Convert to fraction form
    16,103.93/22,223.40 = 8,934.93/x
  3. Step 3: Cross multiply
    16,103.93x = 22,223.40 × 8,934.93
  4. Step 4: Simplify right side
    16,103.93x = 198,564,523.36
  5. Step 5: Solve for x
    x = 198,564,523.36/16,103.93
  6. Step 6: Final answer
    x = 12,330.19

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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.