Home / 22,252.98-30,708.90-12,181.32

Finding the Fourth Proportional to 22,252.98, 30,708.90 and 12,181.32

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Solution

The fourth proportional to 22,252.98, 30,708.90 and 12,181.32 is: 16,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.98 : 30,708.90 = 12,181.32 : x
  2. Step 2: Convert to fraction form
    22,252.98/30,708.90 = 12,181.32/x
  3. Step 3: Cross multiply
    22,252.98x = 30,708.90 × 12,181.32
  4. Step 4: Simplify right side
    22,252.98x = 374,074,937.75
  5. Step 5: Solve for x
    x = 374,074,937.75/22,252.98
  6. Step 6: Final answer
    x = 16,810.11

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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.