Home / 18,206.06-25,122.83-11,131.11

Finding the Fourth Proportional to 18,206.06, 25,122.83 and 11,131.11

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Solution

The fourth proportional to 18,206.06, 25,122.83 and 11,131.11 is: 15,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.06 : 25,122.83 = 11,131.11 : x
  2. Step 2: Convert to fraction form
    18,206.06/25,122.83 = 11,131.11/x
  3. Step 3: Cross multiply
    18,206.06x = 25,122.83 × 11,131.11
  4. Step 4: Simplify right side
    18,206.06x = 279,644,928.59
  5. Step 5: Solve for x
    x = 279,644,928.59/18,206.06
  6. Step 6: Final answer
    x = 15,360.00

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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.