Home / 22,131.57-33,197.24-12,765.52

Finding the Fourth Proportional to 22,131.57, 33,197.24 and 12,765.52

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Solution

The fourth proportional to 22,131.57, 33,197.24 and 12,765.52 is: 19,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.57 : 33,197.24 = 12,765.52 : x
  2. Step 2: Convert to fraction form
    22,131.57/33,197.24 = 12,765.52/x
  3. Step 3: Cross multiply
    22,131.57x = 33,197.24 × 12,765.52
  4. Step 4: Simplify right side
    22,131.57x = 423,779,801.35
  5. Step 5: Solve for x
    x = 423,779,801.35/22,131.57
  6. Step 6: Final answer
    x = 19,148.21

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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.