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Finding the Fourth Proportional to 14,698.57, 20,270.20 and 11,336.06

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Solution

The fourth proportional to 14,698.57, 20,270.20 and 11,336.06 is: 15,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.57 : 20,270.20 = 11,336.06 : x
  2. Step 2: Convert to fraction form
    14,698.57/20,270.20 = 11,336.06/x
  3. Step 3: Cross multiply
    14,698.57x = 20,270.20 × 11,336.06
  4. Step 4: Simplify right side
    14,698.57x = 229,784,203.41
  5. Step 5: Solve for x
    x = 229,784,203.41/14,698.57
  6. Step 6: Final answer
    x = 15,633.10

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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.