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Finding the Fourth Proportional to 14,586.60, 20,101.86 and 11,044.20

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Solution

The fourth proportional to 14,586.60, 20,101.86 and 11,044.20 is: 15,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.60 : 20,101.86 = 11,044.20 : x
  2. Step 2: Convert to fraction form
    14,586.60/20,101.86 = 11,044.20/x
  3. Step 3: Cross multiply
    14,586.60x = 20,101.86 × 11,044.20
  4. Step 4: Simplify right side
    14,586.60x = 222,008,962.21
  5. Step 5: Solve for x
    x = 222,008,962.21/14,586.60
  6. Step 6: Final answer
    x = 15,220.06

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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.