Home / 20,374.03-30,563.90-19,253.53

Finding the Fourth Proportional to 20,374.03, 30,563.90 and 19,253.53

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Solution

The fourth proportional to 20,374.03, 30,563.90 and 19,253.53 is: 28,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.03 : 30,563.90 = 19,253.53 : x
  2. Step 2: Convert to fraction form
    20,374.03/30,563.90 = 19,253.53/x
  3. Step 3: Cross multiply
    20,374.03x = 30,563.90 × 19,253.53
  4. Step 4: Simplify right side
    20,374.03x = 588,462,979.70
  5. Step 5: Solve for x
    x = 588,462,979.70/20,374.03
  6. Step 6: Final answer
    x = 28,882.99

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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.