Home / 13,452.42-20,170.73-5,133.02

Finding the Fourth Proportional to 13,452.42, 20,170.73 and 5,133.02

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Solution

The fourth proportional to 13,452.42, 20,170.73 and 5,133.02 is: 7,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.42 : 20,170.73 = 5,133.02 : x
  2. Step 2: Convert to fraction form
    13,452.42/20,170.73 = 5,133.02/x
  3. Step 3: Cross multiply
    13,452.42x = 20,170.73 × 5,133.02
  4. Step 4: Simplify right side
    13,452.42x = 103,536,672.48
  5. Step 5: Solve for x
    x = 103,536,672.48/13,452.42
  6. Step 6: Final answer
    x = 7,696.51

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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.