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Finding the Fourth Proportional to 15,093.44, 20,829.86 and 9,126.57

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Solution

The fourth proportional to 15,093.44, 20,829.86 and 9,126.57 is: 12,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.44 : 20,829.86 = 9,126.57 : x
  2. Step 2: Convert to fraction form
    15,093.44/20,829.86 = 9,126.57/x
  3. Step 3: Cross multiply
    15,093.44x = 20,829.86 × 9,126.57
  4. Step 4: Simplify right side
    15,093.44x = 190,105,175.38
  5. Step 5: Solve for x
    x = 190,105,175.38/15,093.44
  6. Step 6: Final answer
    x = 12,595.22

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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.