Home / 18,373.22-25,331.58-11,901.44

Finding the Fourth Proportional to 18,373.22, 25,331.58 and 11,901.44

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Solution

The fourth proportional to 18,373.22, 25,331.58 and 11,901.44 is: 16,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.22 : 25,331.58 = 11,901.44 : x
  2. Step 2: Convert to fraction form
    18,373.22/25,331.58 = 11,901.44/x
  3. Step 3: Cross multiply
    18,373.22x = 25,331.58 × 11,901.44
  4. Step 4: Simplify right side
    18,373.22x = 301,482,279.48
  5. Step 5: Solve for x
    x = 301,482,279.48/18,373.22
  6. Step 6: Final answer
    x = 16,408.79

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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.