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Finding the Fourth Proportional to 14,698.31, 20,286.86 and 9,037.91

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Solution

The fourth proportional to 14,698.31, 20,286.86 and 9,037.91 is: 12,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.31 : 20,286.86 = 9,037.91 : x
  2. Step 2: Convert to fraction form
    14,698.31/20,286.86 = 9,037.91/x
  3. Step 3: Cross multiply
    14,698.31x = 20,286.86 × 9,037.91
  4. Step 4: Simplify right side
    14,698.31x = 183,350,820.39
  5. Step 5: Solve for x
    x = 183,350,820.39/14,698.31
  6. Step 6: Final answer
    x = 12,474.28

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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.