Home / 18,451.40-25,461.96-11,375.24

Finding the Fourth Proportional to 18,451.40, 25,461.96 and 11,375.24

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Solution

The fourth proportional to 18,451.40, 25,461.96 and 11,375.24 is: 15,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.40 : 25,461.96 = 11,375.24 : x
  2. Step 2: Convert to fraction form
    18,451.40/25,461.96 = 11,375.24/x
  3. Step 3: Cross multiply
    18,451.40x = 25,461.96 × 11,375.24
  4. Step 4: Simplify right side
    18,451.40x = 289,635,905.87
  5. Step 5: Solve for x
    x = 289,635,905.87/18,451.40
  6. Step 6: Final answer
    x = 15,697.23

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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.