Home / 18,250.08-27,375.12-10,453.44

Finding the Fourth Proportional to 18,250.08, 27,375.12 and 10,453.44

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Solution

The fourth proportional to 18,250.08, 27,375.12 and 10,453.44 is: 15,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.08 : 27,375.12 = 10,453.44 : x
  2. Step 2: Convert to fraction form
    18,250.08/27,375.12 = 10,453.44/x
  3. Step 3: Cross multiply
    18,250.08x = 27,375.12 × 10,453.44
  4. Step 4: Simplify right side
    18,250.08x = 286,164,174.41
  5. Step 5: Solve for x
    x = 286,164,174.41/18,250.08
  6. Step 6: Final answer
    x = 15,680.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.