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Finding the Fourth Proportional to 14,700.06, 20,286.80 and 9,035.06

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Solution

The fourth proportional to 14,700.06, 20,286.80 and 9,035.06 is: 12,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.06 : 20,286.80 = 9,035.06 : x
  2. Step 2: Convert to fraction form
    14,700.06/20,286.80 = 9,035.06/x
  3. Step 3: Cross multiply
    14,700.06x = 20,286.80 × 9,035.06
  4. Step 4: Simplify right side
    14,700.06x = 183,292,308.60
  5. Step 5: Solve for x
    x = 183,292,308.60/14,700.06
  6. Step 6: Final answer
    x = 12,468.81

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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.