Home / 23,177.88-31,986.83-13,107.22

Finding the Fourth Proportional to 23,177.88, 31,986.83 and 13,107.22

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Solution

The fourth proportional to 23,177.88, 31,986.83 and 13,107.22 is: 18,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.88 : 31,986.83 = 13,107.22 : x
  2. Step 2: Convert to fraction form
    23,177.88/31,986.83 = 13,107.22/x
  3. Step 3: Cross multiply
    23,177.88x = 31,986.83 × 13,107.22
  4. Step 4: Simplify right side
    23,177.88x = 419,258,370.71
  5. Step 5: Solve for x
    x = 419,258,370.71/23,177.88
  6. Step 6: Final answer
    x = 18,088.73

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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.