Home / 18,120.96-25,006.53-10,163.01

Finding the Fourth Proportional to 18,120.96, 25,006.53 and 10,163.01

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Solution

The fourth proportional to 18,120.96, 25,006.53 and 10,163.01 is: 14,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.96 : 25,006.53 = 10,163.01 : x
  2. Step 2: Convert to fraction form
    18,120.96/25,006.53 = 10,163.01/x
  3. Step 3: Cross multiply
    18,120.96x = 25,006.53 × 10,163.01
  4. Step 4: Simplify right side
    18,120.96x = 254,141,614.46
  5. Step 5: Solve for x
    x = 254,141,614.46/18,120.96
  6. Step 6: Final answer
    x = 14,024.73

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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.