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Finding the Fourth Proportional to 14,556.60, 20,060.46 and 11,014.20

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Solution

The fourth proportional to 14,556.60, 20,060.46 and 11,014.20 is: 15,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.60 : 20,060.46 = 11,014.20 : x
  2. Step 2: Convert to fraction form
    14,556.60/20,060.46 = 11,014.20/x
  3. Step 3: Cross multiply
    14,556.60x = 20,060.46 × 11,014.20
  4. Step 4: Simplify right side
    14,556.60x = 220,949,918.53
  5. Step 5: Solve for x
    x = 220,949,918.53/14,556.60
  6. Step 6: Final answer
    x = 15,178.68

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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.