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Finding the Fourth Proportional to 15,098.04, 20,834.28 and 8,383.32

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Solution

The fourth proportional to 15,098.04, 20,834.28 and 8,383.32 is: 11,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.04 : 20,834.28 = 8,383.32 : x
  2. Step 2: Convert to fraction form
    15,098.04/20,834.28 = 8,383.32/x
  3. Step 3: Cross multiply
    15,098.04x = 20,834.28 × 8,383.32
  4. Step 4: Simplify right side
    15,098.04x = 174,660,436.21
  5. Step 5: Solve for x
    x = 174,660,436.21/15,098.04
  6. Step 6: Final answer
    x = 11,568.42

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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.