Home / 23,747.21-32,771.28-13,137.22

Finding the Fourth Proportional to 23,747.21, 32,771.28 and 13,137.22

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Solution

The fourth proportional to 23,747.21, 32,771.28 and 13,137.22 is: 18,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,747.21 : 32,771.28 = 13,137.22 : x
  2. Step 2: Convert to fraction form
    23,747.21/32,771.28 = 13,137.22/x
  3. Step 3: Cross multiply
    23,747.21x = 32,771.28 × 13,137.22
  4. Step 4: Simplify right side
    23,747.21x = 430,523,515.04
  5. Step 5: Solve for x
    x = 430,523,515.04/23,747.21
  6. Step 6: Final answer
    x = 18,129.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.