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Finding the Fourth Proportional to 14,615.10, 21,922.65 and 9,074.70

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Solution

The fourth proportional to 14,615.10, 21,922.65 and 9,074.70 is: 13,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.10 : 21,922.65 = 9,074.70 : x
  2. Step 2: Convert to fraction form
    14,615.10/21,922.65 = 9,074.70/x
  3. Step 3: Cross multiply
    14,615.10x = 21,922.65 × 9,074.70
  4. Step 4: Simplify right side
    14,615.10x = 198,941,471.96
  5. Step 5: Solve for x
    x = 198,941,471.96/14,615.10
  6. Step 6: Final answer
    x = 13,612.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.