Home / 25,690.07-38,534.52-11,839.07

Finding the Fourth Proportional to 25,690.07, 38,534.52 and 11,839.07

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Solution

The fourth proportional to 25,690.07, 38,534.52 and 11,839.07 is: 17,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.07 : 38,534.52 = 11,839.07 : x
  2. Step 2: Convert to fraction form
    25,690.07/38,534.52 = 11,839.07/x
  3. Step 3: Cross multiply
    25,690.07x = 38,534.52 × 11,839.07
  4. Step 4: Simplify right side
    25,690.07x = 456,212,879.70
  5. Step 5: Solve for x
    x = 456,212,879.70/25,690.07
  6. Step 6: Final answer
    x = 17,758.34

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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.