Home / 25,441.89-35,114.76-15,371.97

Finding the Fourth Proportional to 25,441.89, 35,114.76 and 15,371.97

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Solution

The fourth proportional to 25,441.89, 35,114.76 and 15,371.97 is: 21,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,441.89 : 35,114.76 = 15,371.97 : x
  2. Step 2: Convert to fraction form
    25,441.89/35,114.76 = 15,371.97/x
  3. Step 3: Cross multiply
    25,441.89x = 35,114.76 × 15,371.97
  4. Step 4: Simplify right side
    25,441.89x = 539,783,037.28
  5. Step 5: Solve for x
    x = 539,783,037.28/25,441.89
  6. Step 6: Final answer
    x = 21,216.31

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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.