Home / 20,023.75-27,632.96-10,949.38

Finding the Fourth Proportional to 20,023.75, 27,632.96 and 10,949.38

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Solution

The fourth proportional to 20,023.75, 27,632.96 and 10,949.38 is: 15,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.75 : 27,632.96 = 10,949.38 : x
  2. Step 2: Convert to fraction form
    20,023.75/27,632.96 = 10,949.38/x
  3. Step 3: Cross multiply
    20,023.75x = 27,632.96 × 10,949.38
  4. Step 4: Simplify right side
    20,023.75x = 302,563,779.56
  5. Step 5: Solve for x
    x = 302,563,779.56/20,023.75
  6. Step 6: Final answer
    x = 15,110.25

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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.