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Finding the Fourth Proportional to 14,637, 20,163.42 and 11,096.76

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Solution

The fourth proportional to 14,637, 20,163.42 and 11,096.76 is: 15,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637 : 20,163.42 = 11,096.76 : x
  2. Step 2: Convert to fraction form
    14,637/20,163.42 = 11,096.76/x
  3. Step 3: Cross multiply
    14,637x = 20,163.42 × 11,096.76
  4. Step 4: Simplify right side
    14,637x = 223,748,632.52
  5. Step 5: Solve for x
    x = 223,748,632.52/14,637
  6. Step 6: Final answer
    x = 15,286.51

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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.