Home / 22,234.29-30,682.16-12,160.77

Finding the Fourth Proportional to 22,234.29, 30,682.16 and 12,160.77

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Solution

The fourth proportional to 22,234.29, 30,682.16 and 12,160.77 is: 16,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.29 : 30,682.16 = 12,160.77 : x
  2. Step 2: Convert to fraction form
    22,234.29/30,682.16 = 12,160.77/x
  3. Step 3: Cross multiply
    22,234.29x = 30,682.16 × 12,160.77
  4. Step 4: Simplify right side
    22,234.29x = 373,118,630.06
  5. Step 5: Solve for x
    x = 373,118,630.06/22,234.29
  6. Step 6: Final answer
    x = 16,781.23

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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.