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Finding the Fourth Proportional to 14,690.22, 20,259.06 and 9,652.44

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Solution

The fourth proportional to 14,690.22, 20,259.06 and 9,652.44 is: 13,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.22 : 20,259.06 = 9,652.44 : x
  2. Step 2: Convert to fraction form
    14,690.22/20,259.06 = 9,652.44/x
  3. Step 3: Cross multiply
    14,690.22x = 20,259.06 × 9,652.44
  4. Step 4: Simplify right side
    14,690.22x = 195,549,361.11
  5. Step 5: Solve for x
    x = 195,549,361.11/14,690.22
  6. Step 6: Final answer
    x = 13,311.53

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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.