Home / 25,813.14-35,625.60-15,202.68

Finding the Fourth Proportional to 25,813.14, 35,625.60 and 15,202.68

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Solution

The fourth proportional to 25,813.14, 35,625.60 and 15,202.68 is: 20,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.14 : 35,625.60 = 15,202.68 : x
  2. Step 2: Convert to fraction form
    25,813.14/35,625.60 = 15,202.68/x
  3. Step 3: Cross multiply
    25,813.14x = 35,625.60 × 15,202.68
  4. Step 4: Simplify right side
    25,813.14x = 541,604,596.61
  5. Step 5: Solve for x
    x = 541,604,596.61/25,813.14
  6. Step 6: Final answer
    x = 20,981.74

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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.