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Finding the Fourth Proportional to 19,596.76, 27,025.10 and 15,113.41

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Solution

The fourth proportional to 19,596.76, 27,025.10 and 15,113.41 is: 20,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.76 : 27,025.10 = 15,113.41 : x
  2. Step 2: Convert to fraction form
    19,596.76/27,025.10 = 15,113.41/x
  3. Step 3: Cross multiply
    19,596.76x = 27,025.10 × 15,113.41
  4. Step 4: Simplify right side
    19,596.76x = 408,441,416.59
  5. Step 5: Solve for x
    x = 408,441,416.59/19,596.76
  6. Step 6: Final answer
    x = 20,842.29

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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.