Home / 18,204.96-25,121.07-10,247.01

Finding the Fourth Proportional to 18,204.96, 25,121.07 and 10,247.01

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Solution

The fourth proportional to 18,204.96, 25,121.07 and 10,247.01 is: 14,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.96 : 25,121.07 = 10,247.01 : x
  2. Step 2: Convert to fraction form
    18,204.96/25,121.07 = 10,247.01/x
  3. Step 3: Cross multiply
    18,204.96x = 25,121.07 × 10,247.01
  4. Step 4: Simplify right side
    18,204.96x = 257,415,855.50
  5. Step 5: Solve for x
    x = 257,415,855.50/18,204.96
  6. Step 6: Final answer
    x = 14,139.87

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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.