Home / 18,460.20-25,467.84-11,374.32

Finding the Fourth Proportional to 18,460.20, 25,467.84 and 11,374.32

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Solution

The fourth proportional to 18,460.20, 25,467.84 and 11,374.32 is: 15,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.20 : 25,467.84 = 11,374.32 : x
  2. Step 2: Convert to fraction form
    18,460.20/25,467.84 = 11,374.32/x
  3. Step 3: Cross multiply
    18,460.20x = 25,467.84 × 11,374.32
  4. Step 4: Simplify right side
    18,460.20x = 289,679,361.87
  5. Step 5: Solve for x
    x = 289,679,361.87/18,460.20
  6. Step 6: Final answer
    x = 15,692.10

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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.