Home / 22,375.56-30,877.62-12,303.99

Finding the Fourth Proportional to 22,375.56, 30,877.62 and 12,303.99

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Solution

The fourth proportional to 22,375.56, 30,877.62 and 12,303.99 is: 16,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.56 : 30,877.62 = 12,303.99 : x
  2. Step 2: Convert to fraction form
    22,375.56/30,877.62 = 12,303.99/x
  3. Step 3: Cross multiply
    22,375.56x = 30,877.62 × 12,303.99
  4. Step 4: Simplify right side
    22,375.56x = 379,917,927.70
  5. Step 5: Solve for x
    x = 379,917,927.70/22,375.56
  6. Step 6: Final answer
    x = 16,979.15

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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.