Home / 20,622.24-28,463.94-13,073.04

Finding the Fourth Proportional to 20,622.24, 28,463.94 and 13,073.04

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Solution

The fourth proportional to 20,622.24, 28,463.94 and 13,073.04 is: 18,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.24 : 28,463.94 = 13,073.04 : x
  2. Step 2: Convert to fraction form
    20,622.24/28,463.94 = 13,073.04/x
  3. Step 3: Cross multiply
    20,622.24x = 28,463.94 × 13,073.04
  4. Step 4: Simplify right side
    20,622.24x = 372,110,226.18
  5. Step 5: Solve for x
    x = 372,110,226.18/20,622.24
  6. Step 6: Final answer
    x = 18,044.12

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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.