Home / 27,751.33-38,296.06-15,175.81

Finding the Fourth Proportional to 27,751.33, 38,296.06 and 15,175.81

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Solution

The fourth proportional to 27,751.33, 38,296.06 and 15,175.81 is: 20,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.33 : 38,296.06 = 15,175.81 : x
  2. Step 2: Convert to fraction form
    27,751.33/38,296.06 = 15,175.81/x
  3. Step 3: Cross multiply
    27,751.33x = 38,296.06 × 15,175.81
  4. Step 4: Simplify right side
    27,751.33x = 581,173,826.05
  5. Step 5: Solve for x
    x = 581,173,826.05/27,751.33
  6. Step 6: Final answer
    x = 20,942.20

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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.