Home / 25,517.70-35,216.82-15,448.59

Finding the Fourth Proportional to 25,517.70, 35,216.82 and 15,448.59

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Solution

The fourth proportional to 25,517.70, 35,216.82 and 15,448.59 is: 21,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.70 : 35,216.82 = 15,448.59 : x
  2. Step 2: Convert to fraction form
    25,517.70/35,216.82 = 15,448.59/x
  3. Step 3: Cross multiply
    25,517.70x = 35,216.82 × 15,448.59
  4. Step 4: Simplify right side
    25,517.70x = 544,050,213.28
  5. Step 5: Solve for x
    x = 544,050,213.28/25,517.70
  6. Step 6: Final answer
    x = 21,320.50

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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.