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Finding the Fourth Proportional to 15,093.59, 20,768.13 and 14,707.22

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Solution

The fourth proportional to 15,093.59, 20,768.13 and 14,707.22 is: 20,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.59 : 20,768.13 = 14,707.22 : x
  2. Step 2: Convert to fraction form
    15,093.59/20,768.13 = 14,707.22/x
  3. Step 3: Cross multiply
    15,093.59x = 20,768.13 × 14,707.22
  4. Step 4: Simplify right side
    15,093.59x = 305,441,456.90
  5. Step 5: Solve for x
    x = 305,441,456.90/15,093.59
  6. Step 6: Final answer
    x = 20,236.50

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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.