Home / 25,949.70-35,813.28-15,884.85

Finding the Fourth Proportional to 25,949.70, 35,813.28 and 15,884.85

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Solution

The fourth proportional to 25,949.70, 35,813.28 and 15,884.85 is: 21,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.70 : 35,813.28 = 15,884.85 : x
  2. Step 2: Convert to fraction form
    25,949.70/35,813.28 = 15,884.85/x
  3. Step 3: Cross multiply
    25,949.70x = 35,813.28 × 15,884.85
  4. Step 4: Simplify right side
    25,949.70x = 568,888,580.81
  5. Step 5: Solve for x
    x = 568,888,580.81/25,949.70
  6. Step 6: Final answer
    x = 21,922.74

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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.