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Finding the Fourth Proportional to 14,794.80, 20,403 and 11,027.28

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Solution

The fourth proportional to 14,794.80, 20,403 and 11,027.28 is: 15,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.80 : 20,403 = 11,027.28 : x
  2. Step 2: Convert to fraction form
    14,794.80/20,403 = 11,027.28/x
  3. Step 3: Cross multiply
    14,794.80x = 20,403 × 11,027.28
  4. Step 4: Simplify right side
    14,794.80x = 224,989,593.84
  5. Step 5: Solve for x
    x = 224,989,593.84/14,794.80
  6. Step 6: Final answer
    x = 15,207.34

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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.