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Finding the Fourth Proportional to 14,691.40, 22,009.32 and 11,388.32

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Solution

The fourth proportional to 14,691.40, 22,009.32 and 11,388.32 is: 17,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.40 : 22,009.32 = 11,388.32 : x
  2. Step 2: Convert to fraction form
    14,691.40/22,009.32 = 11,388.32/x
  3. Step 3: Cross multiply
    14,691.40x = 22,009.32 × 11,388.32
  4. Step 4: Simplify right side
    14,691.40x = 250,649,179.14
  5. Step 5: Solve for x
    x = 250,649,179.14/14,691.40
  6. Step 6: Final answer
    x = 17,060.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.