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Finding the Fourth Proportional to 14,741.71, 20,340.01 and 8,366.87

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Solution

The fourth proportional to 14,741.71, 20,340.01 and 8,366.87 is: 11,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.71 : 20,340.01 = 8,366.87 : x
  2. Step 2: Convert to fraction form
    14,741.71/20,340.01 = 8,366.87/x
  3. Step 3: Cross multiply
    14,741.71x = 20,340.01 × 8,366.87
  4. Step 4: Simplify right side
    14,741.71x = 170,182,219.47
  5. Step 5: Solve for x
    x = 170,182,219.47/14,741.71
  6. Step 6: Final answer
    x = 11,544.27

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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.