Home / 27,429.12-41,158.89-13,389.26

Finding the Fourth Proportional to 27,429.12, 41,158.89 and 13,389.26

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Solution

The fourth proportional to 27,429.12, 41,158.89 and 13,389.26 is: 20,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.12 : 41,158.89 = 13,389.26 : x
  2. Step 2: Convert to fraction form
    27,429.12/41,158.89 = 13,389.26/x
  3. Step 3: Cross multiply
    27,429.12x = 41,158.89 × 13,389.26
  4. Step 4: Simplify right side
    27,429.12x = 551,086,873.73
  5. Step 5: Solve for x
    x = 551,086,873.73/27,429.12
  6. Step 6: Final answer
    x = 20,091.31

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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.