Home / 20,025.11-27,632.30-11,072.08

Finding the Fourth Proportional to 20,025.11, 27,632.30 and 11,072.08

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Solution

The fourth proportional to 20,025.11, 27,632.30 and 11,072.08 is: 15,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.11 : 27,632.30 = 11,072.08 : x
  2. Step 2: Convert to fraction form
    20,025.11/27,632.30 = 11,072.08/x
  3. Step 3: Cross multiply
    20,025.11x = 27,632.30 × 11,072.08
  4. Step 4: Simplify right side
    20,025.11x = 305,947,036.18
  5. Step 5: Solve for x
    x = 305,947,036.18/20,025.11
  6. Step 6: Final answer
    x = 15,278.17

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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.