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Finding the Fourth Proportional to 15,951.10, 22,012.41 and 9,236.74

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Solution

The fourth proportional to 15,951.10, 22,012.41 and 9,236.74 is: 12,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.10 : 22,012.41 = 9,236.74 : x
  2. Step 2: Convert to fraction form
    15,951.10/22,012.41 = 9,236.74/x
  3. Step 3: Cross multiply
    15,951.10x = 22,012.41 × 9,236.74
  4. Step 4: Simplify right side
    15,951.10x = 203,322,907.94
  5. Step 5: Solve for x
    x = 203,322,907.94/15,951.10
  6. Step 6: Final answer
    x = 12,746.64

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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.