Home / 22,264.37-30,723.67-12,190.88

Finding the Fourth Proportional to 22,264.37, 30,723.67 and 12,190.88

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Solution

The fourth proportional to 22,264.37, 30,723.67 and 12,190.88 is: 16,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.37 : 30,723.67 = 12,190.88 : x
  2. Step 2: Convert to fraction form
    22,264.37/30,723.67 = 12,190.88/x
  3. Step 3: Cross multiply
    22,264.37x = 30,723.67 × 12,190.88
  4. Step 4: Simplify right side
    22,264.37x = 374,548,574.13
  5. Step 5: Solve for x
    x = 374,548,574.13/22,264.37
  6. Step 6: Final answer
    x = 16,822.78

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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.