Home / 25,999.13-35,876.07-19,196.78

Finding the Fourth Proportional to 25,999.13, 35,876.07 and 19,196.78

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Solution

The fourth proportional to 25,999.13, 35,876.07 and 19,196.78 is: 26,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.13 : 35,876.07 = 19,196.78 : x
  2. Step 2: Convert to fraction form
    25,999.13/35,876.07 = 19,196.78/x
  3. Step 3: Cross multiply
    25,999.13x = 35,876.07 × 19,196.78
  4. Step 4: Simplify right side
    25,999.13x = 688,704,843.67
  5. Step 5: Solve for x
    x = 688,704,843.67/25,999.13
  6. Step 6: Final answer
    x = 26,489.54

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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.