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Finding the Fourth Proportional to 16,920.59, 23,350.08 and 9,366.93

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Solution

The fourth proportional to 16,920.59, 23,350.08 and 9,366.93 is: 12,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.59 : 23,350.08 = 9,366.93 : x
  2. Step 2: Convert to fraction form
    16,920.59/23,350.08 = 9,366.93/x
  3. Step 3: Cross multiply
    16,920.59x = 23,350.08 × 9,366.93
  4. Step 4: Simplify right side
    16,920.59x = 218,718,564.85
  5. Step 5: Solve for x
    x = 218,718,564.85/16,920.59
  6. Step 6: Final answer
    x = 12,926.18

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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.