Home / 22,077.50-30,467.70-12,517.28

Finding the Fourth Proportional to 22,077.50, 30,467.70 and 12,517.28

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Solution

The fourth proportional to 22,077.50, 30,467.70 and 12,517.28 is: 17,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.50 : 30,467.70 = 12,517.28 : x
  2. Step 2: Convert to fraction form
    22,077.50/30,467.70 = 12,517.28/x
  3. Step 3: Cross multiply
    22,077.50x = 30,467.70 × 12,517.28
  4. Step 4: Simplify right side
    22,077.50x = 381,372,731.86
  5. Step 5: Solve for x
    x = 381,372,731.86/22,077.50
  6. Step 6: Final answer
    x = 17,274.27

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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.