Home / 18,561.45-25,614.83-10,063.62

Finding the Fourth Proportional to 18,561.45, 25,614.83 and 10,063.62

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Solution

The fourth proportional to 18,561.45, 25,614.83 and 10,063.62 is: 13,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.45 : 25,614.83 = 10,063.62 : x
  2. Step 2: Convert to fraction form
    18,561.45/25,614.83 = 10,063.62/x
  3. Step 3: Cross multiply
    18,561.45x = 25,614.83 × 10,063.62
  4. Step 4: Simplify right side
    18,561.45x = 257,777,865.17
  5. Step 5: Solve for x
    x = 257,777,865.17/18,561.45
  6. Step 6: Final answer
    x = 13,887.81

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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.