Home / 18,535.56-27,806.07-5,386.22

Finding the Fourth Proportional to 18,535.56, 27,806.07 and 5,386.22

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Solution

The fourth proportional to 18,535.56, 27,806.07 and 5,386.22 is: 8,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.56 : 27,806.07 = 5,386.22 : x
  2. Step 2: Convert to fraction form
    18,535.56/27,806.07 = 5,386.22/x
  3. Step 3: Cross multiply
    18,535.56x = 27,806.07 × 5,386.22
  4. Step 4: Simplify right side
    18,535.56x = 149,769,471.33
  5. Step 5: Solve for x
    x = 149,769,471.33/18,535.56
  6. Step 6: Final answer
    x = 8,080.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.