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Finding the Fourth Proportional to 14,602.62, 20,160.86 and 11,239.10

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Solution

The fourth proportional to 14,602.62, 20,160.86 and 11,239.10 is: 15,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.62 : 20,160.86 = 11,239.10 : x
  2. Step 2: Convert to fraction form
    14,602.62/20,160.86 = 11,239.10/x
  3. Step 3: Cross multiply
    14,602.62x = 20,160.86 × 11,239.10
  4. Step 4: Simplify right side
    14,602.62x = 226,589,764.63
  5. Step 5: Solve for x
    x = 226,589,764.63/14,602.62
  6. Step 6: Final answer
    x = 15,517.06

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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.