Home / 22,587.12-31,166.04-12,651.12

Finding the Fourth Proportional to 22,587.12, 31,166.04 and 12,651.12

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Solution

The fourth proportional to 22,587.12, 31,166.04 and 12,651.12 is: 17,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.12 : 31,166.04 = 12,651.12 : x
  2. Step 2: Convert to fraction form
    22,587.12/31,166.04 = 12,651.12/x
  3. Step 3: Cross multiply
    22,587.12x = 31,166.04 × 12,651.12
  4. Step 4: Simplify right side
    22,587.12x = 394,285,311.96
  5. Step 5: Solve for x
    x = 394,285,311.96/22,587.12
  6. Step 6: Final answer
    x = 17,456.20

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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.