Home / 14,883.15-20,538.96-8,168.66

Finding the Fourth Proportional to 14,883.15, 20,538.96 and 8,168.66

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Solution

The fourth proportional to 14,883.15, 20,538.96 and 8,168.66 is: 11,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.15 : 20,538.96 = 8,168.66 : x
  2. Step 2: Convert to fraction form
    14,883.15/20,538.96 = 8,168.66/x
  3. Step 3: Cross multiply
    14,883.15x = 20,538.96 × 8,168.66
  4. Step 4: Simplify right side
    14,883.15x = 167,775,678.30
  5. Step 5: Solve for x
    x = 167,775,678.30/14,883.15
  6. Step 6: Final answer
    x = 11,272.86

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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.