Home / 13,644.05-20,460.97-4,757.10

Finding the Fourth Proportional to 13,644.05, 20,460.97 and 4,757.10

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Solution

The fourth proportional to 13,644.05, 20,460.97 and 4,757.10 is: 7,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.05 : 20,460.97 = 4,757.10 : x
  2. Step 2: Convert to fraction form
    13,644.05/20,460.97 = 4,757.10/x
  3. Step 3: Cross multiply
    13,644.05x = 20,460.97 × 4,757.10
  4. Step 4: Simplify right side
    13,644.05x = 97,334,760.43
  5. Step 5: Solve for x
    x = 97,334,760.43/13,644.05
  6. Step 6: Final answer
    x = 7,133.86

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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.