Home / 20,901.24-31,334.45-19,073.21

Finding the Fourth Proportional to 20,901.24, 31,334.45 and 19,073.21

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Solution

The fourth proportional to 20,901.24, 31,334.45 and 19,073.21 is: 28,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,901.24 : 31,334.45 = 19,073.21 : x
  2. Step 2: Convert to fraction form
    20,901.24/31,334.45 = 19,073.21/x
  3. Step 3: Cross multiply
    20,901.24x = 31,334.45 × 19,073.21
  4. Step 4: Simplify right side
    20,901.24x = 597,648,293.05
  5. Step 5: Solve for x
    x = 597,648,293.05/20,901.24
  6. Step 6: Final answer
    x = 28,593.92

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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.