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Finding the Fourth Proportional to 15,950.66, 23,928.42 and 8,156.84

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Solution

The fourth proportional to 15,950.66, 23,928.42 and 8,156.84 is: 12,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.66 : 23,928.42 = 8,156.84 : x
  2. Step 2: Convert to fraction form
    15,950.66/23,928.42 = 8,156.84/x
  3. Step 3: Cross multiply
    15,950.66x = 23,928.42 × 8,156.84
  4. Step 4: Simplify right side
    15,950.66x = 195,180,293.39
  5. Step 5: Solve for x
    x = 195,180,293.39/15,950.66
  6. Step 6: Final answer
    x = 12,236.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.