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Finding the Fourth Proportional to 14,681.64, 22,022.46 and 8,104.20

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Solution

The fourth proportional to 14,681.64, 22,022.46 and 8,104.20 is: 12,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.64 : 22,022.46 = 8,104.20 : x
  2. Step 2: Convert to fraction form
    14,681.64/22,022.46 = 8,104.20/x
  3. Step 3: Cross multiply
    14,681.64x = 22,022.46 × 8,104.20
  4. Step 4: Simplify right side
    14,681.64x = 178,474,420.33
  5. Step 5: Solve for x
    x = 178,474,420.33/14,681.64
  6. Step 6: Final answer
    x = 12,156.30

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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.