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Finding the Fourth Proportional to 16,119.16, 22,251.66 and 9,834.04

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Solution

The fourth proportional to 16,119.16, 22,251.66 and 9,834.04 is: 13,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.16 : 22,251.66 = 9,834.04 : x
  2. Step 2: Convert to fraction form
    16,119.16/22,251.66 = 9,834.04/x
  3. Step 3: Cross multiply
    16,119.16x = 22,251.66 × 9,834.04
  4. Step 4: Simplify right side
    16,119.16x = 218,823,714.51
  5. Step 5: Solve for x
    x = 218,823,714.51/16,119.16
  6. Step 6: Final answer
    x = 13,575.38

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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.