Home / 15,447.42-23,172.94-5,591.34

Finding the Fourth Proportional to 15,447.42, 23,172.94 and 5,591.34

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Solution

The fourth proportional to 15,447.42, 23,172.94 and 5,591.34 is: 8,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.42 : 23,172.94 = 5,591.34 : x
  2. Step 2: Convert to fraction form
    15,447.42/23,172.94 = 5,591.34/x
  3. Step 3: Cross multiply
    15,447.42x = 23,172.94 × 5,591.34
  4. Step 4: Simplify right side
    15,447.42x = 129,567,816.32
  5. Step 5: Solve for x
    x = 129,567,816.32/15,447.42
  6. Step 6: Final answer
    x = 8,387.67

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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.