Home / 22,739.93-31,381.97-13,180.13

Finding the Fourth Proportional to 22,739.93, 31,381.97 and 13,180.13

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Solution

The fourth proportional to 22,739.93, 31,381.97 and 13,180.13 is: 18,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.93 : 31,381.97 = 13,180.13 : x
  2. Step 2: Convert to fraction form
    22,739.93/31,381.97 = 13,180.13/x
  3. Step 3: Cross multiply
    22,739.93x = 31,381.97 × 13,180.13
  4. Step 4: Simplify right side
    22,739.93x = 413,618,221.45
  5. Step 5: Solve for x
    x = 413,618,221.45/22,739.93
  6. Step 6: Final answer
    x = 18,189.08

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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.