Home / 13,522.64-20,292.96-4,757.42

Finding the Fourth Proportional to 13,522.64, 20,292.96 and 4,757.42

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Solution

The fourth proportional to 13,522.64, 20,292.96 and 4,757.42 is: 7,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.64 : 20,292.96 = 4,757.42 : x
  2. Step 2: Convert to fraction form
    13,522.64/20,292.96 = 4,757.42/x
  3. Step 3: Cross multiply
    13,522.64x = 20,292.96 × 4,757.42
  4. Step 4: Simplify right side
    13,522.64x = 96,542,133.76
  5. Step 5: Solve for x
    x = 96,542,133.76/13,522.64
  6. Step 6: Final answer
    x = 7,139.30

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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.