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Finding the Fourth Proportional to 16,295.68, 22,484.14 and 9,922.20

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Solution

The fourth proportional to 16,295.68, 22,484.14 and 9,922.20 is: 13,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,295.68 : 22,484.14 = 9,922.20 : x
  2. Step 2: Convert to fraction form
    16,295.68/22,484.14 = 9,922.20/x
  3. Step 3: Cross multiply
    16,295.68x = 22,484.14 × 9,922.20
  4. Step 4: Simplify right side
    16,295.68x = 223,092,133.91
  5. Step 5: Solve for x
    x = 223,092,133.91/16,295.68
  6. Step 6: Final answer
    x = 13,690.26

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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.