Home / 20,074.05-27,701.45-11,576.53

Finding the Fourth Proportional to 20,074.05, 27,701.45 and 11,576.53

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Solution

The fourth proportional to 20,074.05, 27,701.45 and 11,576.53 is: 15,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.05 : 27,701.45 = 11,576.53 : x
  2. Step 2: Convert to fraction form
    20,074.05/27,701.45 = 11,576.53/x
  3. Step 3: Cross multiply
    20,074.05x = 27,701.45 × 11,576.53
  4. Step 4: Simplify right side
    20,074.05x = 320,686,558.92
  5. Step 5: Solve for x
    x = 320,686,558.92/20,074.05
  6. Step 6: Final answer
    x = 15,975.18

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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.