Home / 13,672.08-20,504.16-5,350.32

Finding the Fourth Proportional to 13,672.08, 20,504.16 and 5,350.32

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Solution

The fourth proportional to 13,672.08, 20,504.16 and 5,350.32 is: 8,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.08 : 20,504.16 = 5,350.32 : x
  2. Step 2: Convert to fraction form
    13,672.08/20,504.16 = 5,350.32/x
  3. Step 3: Cross multiply
    13,672.08x = 20,504.16 × 5,350.32
  4. Step 4: Simplify right side
    13,672.08x = 109,703,817.33
  5. Step 5: Solve for x
    x = 109,703,817.33/13,672.08
  6. Step 6: Final answer
    x = 8,023.93

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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.