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Finding the Fourth Proportional to 12,167.01, 18,281.27 and 11,674.94

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Solution

The fourth proportional to 12,167.01, 18,281.27 and 11,674.94 is: 17,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.01 : 18,281.27 = 11,674.94 : x
  2. Step 2: Convert to fraction form
    12,167.01/18,281.27 = 11,674.94/x
  3. Step 3: Cross multiply
    12,167.01x = 18,281.27 × 11,674.94
  4. Step 4: Simplify right side
    12,167.01x = 213,432,635.32
  5. Step 5: Solve for x
    x = 213,432,635.32/12,167.01
  6. Step 6: Final answer
    x = 17,541.91

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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.