Home / 23,107.27-31,896.21-13,675.81

Finding the Fourth Proportional to 23,107.27, 31,896.21 and 13,675.81

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Solution

The fourth proportional to 23,107.27, 31,896.21 and 13,675.81 is: 18,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.27 : 31,896.21 = 13,675.81 : x
  2. Step 2: Convert to fraction form
    23,107.27/31,896.21 = 13,675.81/x
  3. Step 3: Cross multiply
    23,107.27x = 31,896.21 × 13,675.81
  4. Step 4: Simplify right side
    23,107.27x = 436,206,507.68
  5. Step 5: Solve for x
    x = 436,206,507.68/23,107.27
  6. Step 6: Final answer
    x = 18,877.46

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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.