Home / 25,813.15-35,624.19-15,204.85

Finding the Fourth Proportional to 25,813.15, 35,624.19 and 15,204.85

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Solution

The fourth proportional to 25,813.15, 35,624.19 and 15,204.85 is: 20,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.15 : 35,624.19 = 15,204.85 : x
  2. Step 2: Convert to fraction form
    25,813.15/35,624.19 = 15,204.85/x
  3. Step 3: Cross multiply
    25,813.15x = 35,624.19 × 15,204.85
  4. Step 4: Simplify right side
    25,813.15x = 541,660,465.32
  5. Step 5: Solve for x
    x = 541,660,465.32/25,813.15
  6. Step 6: Final answer
    x = 20,983.90

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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.