Home / 22,633.32-31,225.40-16,679.20

Finding the Fourth Proportional to 22,633.32, 31,225.40 and 16,679.20

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Solution

The fourth proportional to 22,633.32, 31,225.40 and 16,679.20 is: 23,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.32 : 31,225.40 = 16,679.20 : x
  2. Step 2: Convert to fraction form
    22,633.32/31,225.40 = 16,679.20/x
  3. Step 3: Cross multiply
    22,633.32x = 31,225.40 × 16,679.20
  4. Step 4: Simplify right side
    22,633.32x = 520,814,691.68
  5. Step 5: Solve for x
    x = 520,814,691.68/22,633.32
  6. Step 6: Final answer
    x = 23,010.97

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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.