Home / 20,244.42-27,954.89-12,703.83

Finding the Fourth Proportional to 20,244.42, 27,954.89 and 12,703.83

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Solution

The fourth proportional to 20,244.42, 27,954.89 and 12,703.83 is: 17,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.42 : 27,954.89 = 12,703.83 : x
  2. Step 2: Convert to fraction form
    20,244.42/27,954.89 = 12,703.83/x
  3. Step 3: Cross multiply
    20,244.42x = 27,954.89 × 12,703.83
  4. Step 4: Simplify right side
    20,244.42x = 355,134,170.23
  5. Step 5: Solve for x
    x = 355,134,170.23/20,244.42
  6. Step 6: Final answer
    x = 17,542.32

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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.