Home / 22,634.22-31,213.52-13,558.12

Finding the Fourth Proportional to 22,634.22, 31,213.52 and 13,558.12

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Solution

The fourth proportional to 22,634.22, 31,213.52 and 13,558.12 is: 18,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,634.22 : 31,213.52 = 13,558.12 : x
  2. Step 2: Convert to fraction form
    22,634.22/31,213.52 = 13,558.12/x
  3. Step 3: Cross multiply
    22,634.22x = 31,213.52 × 13,558.12
  4. Step 4: Simplify right side
    22,634.22x = 423,196,649.78
  5. Step 5: Solve for x
    x = 423,196,649.78/22,634.22
  6. Step 6: Final answer
    x = 18,697.20

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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.