Home / 13,591.22-20,392.68-7,355.60

Finding the Fourth Proportional to 13,591.22, 20,392.68 and 7,355.60

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Solution

The fourth proportional to 13,591.22, 20,392.68 and 7,355.60 is: 11,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.22 : 20,392.68 = 7,355.60 : x
  2. Step 2: Convert to fraction form
    13,591.22/20,392.68 = 7,355.60/x
  3. Step 3: Cross multiply
    13,591.22x = 20,392.68 × 7,355.60
  4. Step 4: Simplify right side
    13,591.22x = 150,000,397.01
  5. Step 5: Solve for x
    x = 150,000,397.01/13,591.22
  6. Step 6: Final answer
    x = 11,036.57

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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.