Home / 25,945-35,809.70-16,511.56

Finding the Fourth Proportional to 25,945, 35,809.70 and 16,511.56

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Solution

The fourth proportional to 25,945, 35,809.70 and 16,511.56 is: 22,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945 : 35,809.70 = 16,511.56 : x
  2. Step 2: Convert to fraction form
    25,945/35,809.70 = 16,511.56/x
  3. Step 3: Cross multiply
    25,945x = 35,809.70 × 16,511.56
  4. Step 4: Simplify right side
    25,945x = 591,274,010.13
  5. Step 5: Solve for x
    x = 591,274,010.13/25,945
  6. Step 6: Final answer
    x = 22,789.52

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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.