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Finding the Fourth Proportional to 14,708.30, 20,308.02 and 9,050.63

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Solution

The fourth proportional to 14,708.30, 20,308.02 and 9,050.63 is: 12,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.30 : 20,308.02 = 9,050.63 : x
  2. Step 2: Convert to fraction form
    14,708.30/20,308.02 = 9,050.63/x
  3. Step 3: Cross multiply
    14,708.30x = 20,308.02 × 9,050.63
  4. Step 4: Simplify right side
    14,708.30x = 183,800,375.05
  5. Step 5: Solve for x
    x = 183,800,375.05/14,708.30
  6. Step 6: Final answer
    x = 12,496.37

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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.