Home / 18,375.24-25,353.66-10,415.64

Finding the Fourth Proportional to 18,375.24, 25,353.66 and 10,415.64

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Solution

The fourth proportional to 18,375.24, 25,353.66 and 10,415.64 is: 14,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.24 : 25,353.66 = 10,415.64 : x
  2. Step 2: Convert to fraction form
    18,375.24/25,353.66 = 10,415.64/x
  3. Step 3: Cross multiply
    18,375.24x = 25,353.66 × 10,415.64
  4. Step 4: Simplify right side
    18,375.24x = 264,074,595.24
  5. Step 5: Solve for x
    x = 264,074,595.24/18,375.24
  6. Step 6: Final answer
    x = 14,371.22

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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.