Home / 22,376.12-30,879.14-12,304.33

Finding the Fourth Proportional to 22,376.12, 30,879.14 and 12,304.33

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Solution

The fourth proportional to 22,376.12, 30,879.14 and 12,304.33 is: 16,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.12 : 30,879.14 = 12,304.33 : x
  2. Step 2: Convert to fraction form
    22,376.12/30,879.14 = 12,304.33/x
  3. Step 3: Cross multiply
    22,376.12x = 30,879.14 × 12,304.33
  4. Step 4: Simplify right side
    22,376.12x = 379,946,989.96
  5. Step 5: Solve for x
    x = 379,946,989.96/22,376.12
  6. Step 6: Final answer
    x = 16,980.02

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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.