Home / 13,899.12-20,848.68-8,093.04

Finding the Fourth Proportional to 13,899.12, 20,848.68 and 8,093.04

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Solution

The fourth proportional to 13,899.12, 20,848.68 and 8,093.04 is: 12,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.12 : 20,848.68 = 8,093.04 : x
  2. Step 2: Convert to fraction form
    13,899.12/20,848.68 = 8,093.04/x
  3. Step 3: Cross multiply
    13,899.12x = 20,848.68 × 8,093.04
  4. Step 4: Simplify right side
    13,899.12x = 168,729,201.19
  5. Step 5: Solve for x
    x = 168,729,201.19/13,899.12
  6. Step 6: Final answer
    x = 12,139.56

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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.