Home / 25,999.11-38,971.89-19,745.82

Finding the Fourth Proportional to 25,999.11, 38,971.89 and 19,745.82

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Solution

The fourth proportional to 25,999.11, 38,971.89 and 19,745.82 is: 29,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.11 : 38,971.89 = 19,745.82 : x
  2. Step 2: Convert to fraction form
    25,999.11/38,971.89 = 19,745.82/x
  3. Step 3: Cross multiply
    25,999.11x = 38,971.89 × 19,745.82
  4. Step 4: Simplify right side
    25,999.11x = 769,531,925.00
  5. Step 5: Solve for x
    x = 769,531,925.00/25,999.11
  6. Step 6: Final answer
    x = 29,598.39

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1.5x scale

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.