Home / 20,568.74-30,803.90-19,535.38

Finding the Fourth Proportional to 20,568.74, 30,803.90 and 19,535.38

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Solution

The fourth proportional to 20,568.74, 30,803.90 and 19,535.38 is: 29,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.74 : 30,803.90 = 19,535.38 : x
  2. Step 2: Convert to fraction form
    20,568.74/30,803.90 = 19,535.38/x
  3. Step 3: Cross multiply
    20,568.74x = 30,803.90 × 19,535.38
  4. Step 4: Simplify right side
    20,568.74x = 601,765,717.30
  5. Step 5: Solve for x
    x = 601,765,717.30/20,568.74
  6. Step 6: Final answer
    x = 29,256.33

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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.