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Finding the Fourth Proportional to 14,698.56, 20,301.60 and 10,713.28

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Solution

The fourth proportional to 14,698.56, 20,301.60 and 10,713.28 is: 14,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.56 : 20,301.60 = 10,713.28 : x
  2. Step 2: Convert to fraction form
    14,698.56/20,301.60 = 10,713.28/x
  3. Step 3: Cross multiply
    14,698.56x = 20,301.60 × 10,713.28
  4. Step 4: Simplify right side
    14,698.56x = 217,496,725.25
  5. Step 5: Solve for x
    x = 217,496,725.25/14,698.56
  6. Step 6: Final answer
    x = 14,797.15

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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.