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Finding the Fourth Proportional to 14,107.91, 21,158.87 and 9,095.27

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Solution

The fourth proportional to 14,107.91, 21,158.87 and 9,095.27 is: 13,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.91 : 21,158.87 = 9,095.27 : x
  2. Step 2: Convert to fraction form
    14,107.91/21,158.87 = 9,095.27/x
  3. Step 3: Cross multiply
    14,107.91x = 21,158.87 × 9,095.27
  4. Step 4: Simplify right side
    14,107.91x = 192,445,484.27
  5. Step 5: Solve for x
    x = 192,445,484.27/14,107.91
  6. Step 6: Final answer
    x = 13,640.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.