Home / 28,083.24-42,104.03-13,274.85

Finding the Fourth Proportional to 28,083.24, 42,104.03 and 13,274.85

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Solution

The fourth proportional to 28,083.24, 42,104.03 and 13,274.85 is: 19,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.24 : 42,104.03 = 13,274.85 : x
  2. Step 2: Convert to fraction form
    28,083.24/42,104.03 = 13,274.85/x
  3. Step 3: Cross multiply
    28,083.24x = 42,104.03 × 13,274.85
  4. Step 4: Simplify right side
    28,083.24x = 558,924,682.65
  5. Step 5: Solve for x
    x = 558,924,682.65/28,083.24
  6. Step 6: Final answer
    x = 19,902.43

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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.