Home / 23,177.87-31,983.71-13,107.25

Finding the Fourth Proportional to 23,177.87, 31,983.71 and 13,107.25

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Solution

The fourth proportional to 23,177.87, 31,983.71 and 13,107.25 is: 18,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.87 : 31,983.71 = 13,107.25 : x
  2. Step 2: Convert to fraction form
    23,177.87/31,983.71 = 13,107.25/x
  3. Step 3: Cross multiply
    23,177.87x = 31,983.71 × 13,107.25
  4. Step 4: Simplify right side
    23,177.87x = 419,218,337.40
  5. Step 5: Solve for x
    x = 419,218,337.40/23,177.87
  6. Step 6: Final answer
    x = 18,087.01

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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.