Home / 25,997.82-39,006.48-19,478.94

Finding the Fourth Proportional to 25,997.82, 39,006.48 and 19,478.94

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Solution

The fourth proportional to 25,997.82, 39,006.48 and 19,478.94 is: 29,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.82 : 39,006.48 = 19,478.94 : x
  2. Step 2: Convert to fraction form
    25,997.82/39,006.48 = 19,478.94/x
  3. Step 3: Cross multiply
    25,997.82x = 39,006.48 × 19,478.94
  4. Step 4: Simplify right side
    25,997.82x = 759,804,883.53
  5. Step 5: Solve for x
    x = 759,804,883.53/25,997.82
  6. Step 6: Final answer
    x = 29,225.72

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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.