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Finding the Fourth Proportional to 16,590.19, 22,894.46 and 9,138.19

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Solution

The fourth proportional to 16,590.19, 22,894.46 and 9,138.19 is: 12,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.19 : 22,894.46 = 9,138.19 : x
  2. Step 2: Convert to fraction form
    16,590.19/22,894.46 = 9,138.19/x
  3. Step 3: Cross multiply
    16,590.19x = 22,894.46 × 9,138.19
  4. Step 4: Simplify right side
    16,590.19x = 209,213,891.04
  5. Step 5: Solve for x
    x = 209,213,891.04/16,590.19
  6. Step 6: Final answer
    x = 12,610.70

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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.