Home / 14,638.11-20,201.16-8,266.04

Finding the Fourth Proportional to 14,638.11, 20,201.16 and 8,266.04

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Solution

The fourth proportional to 14,638.11, 20,201.16 and 8,266.04 is: 11,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.11 : 20,201.16 = 8,266.04 : x
  2. Step 2: Convert to fraction form
    14,638.11/20,201.16 = 8,266.04/x
  3. Step 3: Cross multiply
    14,638.11x = 20,201.16 × 8,266.04
  4. Step 4: Simplify right side
    14,638.11x = 166,983,596.61
  5. Step 5: Solve for x
    x = 166,983,596.61/14,638.11
  6. Step 6: Final answer
    x = 11,407.46

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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.