Home / 18,188.32-25,098.96-10,230.88

Finding the Fourth Proportional to 18,188.32, 25,098.96 and 10,230.88

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Solution

The fourth proportional to 18,188.32, 25,098.96 and 10,230.88 is: 14,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.32 : 25,098.96 = 10,230.88 : x
  2. Step 2: Convert to fraction form
    18,188.32/25,098.96 = 10,230.88/x
  3. Step 3: Cross multiply
    18,188.32x = 25,098.96 × 10,230.88
  4. Step 4: Simplify right side
    18,188.32x = 256,784,447.88
  5. Step 5: Solve for x
    x = 256,784,447.88/18,188.32
  6. Step 6: Final answer
    x = 14,118.10

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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.