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Finding the Fourth Proportional to 14,951.86, 20,633.03 and 9,652.03

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Solution

The fourth proportional to 14,951.86, 20,633.03 and 9,652.03 is: 13,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.86 : 20,633.03 = 9,652.03 : x
  2. Step 2: Convert to fraction form
    14,951.86/20,633.03 = 9,652.03/x
  3. Step 3: Cross multiply
    14,951.86x = 20,633.03 × 9,652.03
  4. Step 4: Simplify right side
    14,951.86x = 199,150,560.90
  5. Step 5: Solve for x
    x = 199,150,560.90/14,951.86
  6. Step 6: Final answer
    x = 13,319.45

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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.