Home / 18,388.48-25,375.96-10,004.96

Finding the Fourth Proportional to 18,388.48, 25,375.96 and 10,004.96

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Solution

The fourth proportional to 18,388.48, 25,375.96 and 10,004.96 is: 13,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.48 : 25,375.96 = 10,004.96 : x
  2. Step 2: Convert to fraction form
    18,388.48/25,375.96 = 10,004.96/x
  3. Step 3: Cross multiply
    18,388.48x = 25,375.96 × 10,004.96
  4. Step 4: Simplify right side
    18,388.48x = 253,885,464.76
  5. Step 5: Solve for x
    x = 253,885,464.76/18,388.48
  6. Step 6: Final answer
    x = 13,806.77

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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.