Home / 23,177.26-31,986.59-13,107.49

Finding the Fourth Proportional to 23,177.26, 31,986.59 and 13,107.49

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Solution

The fourth proportional to 23,177.26, 31,986.59 and 13,107.49 is: 18,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.26 : 31,986.59 = 13,107.49 : x
  2. Step 2: Convert to fraction form
    23,177.26/31,986.59 = 13,107.49/x
  3. Step 3: Cross multiply
    23,177.26x = 31,986.59 × 13,107.49
  4. Step 4: Simplify right side
    23,177.26x = 419,263,861.36
  5. Step 5: Solve for x
    x = 419,263,861.36/23,177.26
  6. Step 6: Final answer
    x = 18,089.45

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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.