Home / 22,633.28-31,233.96-12,561.44

Finding the Fourth Proportional to 22,633.28, 31,233.96 and 12,561.44

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Solution

The fourth proportional to 22,633.28, 31,233.96 and 12,561.44 is: 17,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.28 : 31,233.96 = 12,561.44 : x
  2. Step 2: Convert to fraction form
    22,633.28/31,233.96 = 12,561.44/x
  3. Step 3: Cross multiply
    22,633.28x = 31,233.96 × 12,561.44
  4. Step 4: Simplify right side
    22,633.28x = 392,343,514.50
  5. Step 5: Solve for x
    x = 392,343,514.50/22,633.28
  6. Step 6: Final answer
    x = 17,334.81

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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.