Home / 25,819.50-35,625.42-15,205.26

Finding the Fourth Proportional to 25,819.50, 35,625.42 and 15,205.26

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Solution

The fourth proportional to 25,819.50, 35,625.42 and 15,205.26 is: 20,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.50 : 35,625.42 = 15,205.26 : x
  2. Step 2: Convert to fraction form
    25,819.50/35,625.42 = 15,205.26/x
  3. Step 3: Cross multiply
    25,819.50x = 35,625.42 × 15,205.26
  4. Step 4: Simplify right side
    25,819.50x = 541,693,773.71
  5. Step 5: Solve for x
    x = 541,693,773.71/25,819.50
  6. Step 6: Final answer
    x = 20,980.03

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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.