Home / 13,507.92-20,272.12-9,376.88

Finding the Fourth Proportional to 13,507.92, 20,272.12 and 9,376.88

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Solution

The fourth proportional to 13,507.92, 20,272.12 and 9,376.88 is: 14,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.92 : 20,272.12 = 9,376.88 : x
  2. Step 2: Convert to fraction form
    13,507.92/20,272.12 = 9,376.88/x
  3. Step 3: Cross multiply
    13,507.92x = 20,272.12 × 9,376.88
  4. Step 4: Simplify right side
    13,507.92x = 190,089,236.59
  5. Step 5: Solve for x
    x = 190,089,236.59/13,507.92
  6. Step 6: Final answer
    x = 14,072.43

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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.