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Finding the Fourth Proportional to 14,789.64, 20,396.03 and 11,022.06

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Solution

The fourth proportional to 14,789.64, 20,396.03 and 11,022.06 is: 15,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.64 : 20,396.03 = 11,022.06 : x
  2. Step 2: Convert to fraction form
    14,789.64/20,396.03 = 11,022.06/x
  3. Step 3: Cross multiply
    14,789.64x = 20,396.03 × 11,022.06
  4. Step 4: Simplify right side
    14,789.64x = 224,806,211.31
  5. Step 5: Solve for x
    x = 224,806,211.31/14,789.64
  6. Step 6: Final answer
    x = 15,200.25

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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.