Home / 25,790.40-38,696.73-13,952.51

Finding the Fourth Proportional to 25,790.40, 38,696.73 and 13,952.51

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Solution

The fourth proportional to 25,790.40, 38,696.73 and 13,952.51 is: 20,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.40 : 38,696.73 = 13,952.51 : x
  2. Step 2: Convert to fraction form
    25,790.40/38,696.73 = 13,952.51/x
  3. Step 3: Cross multiply
    25,790.40x = 38,696.73 × 13,952.51
  4. Step 4: Simplify right side
    25,790.40x = 539,916,380.67
  5. Step 5: Solve for x
    x = 539,916,380.67/25,790.40
  6. Step 6: Final answer
    x = 20,934.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.