Home / 25,438.85-35,105.87-14,108.57

Finding the Fourth Proportional to 25,438.85, 35,105.87 and 14,108.57

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Solution

The fourth proportional to 25,438.85, 35,105.87 and 14,108.57 is: 19,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.85 : 35,105.87 = 14,108.57 : x
  2. Step 2: Convert to fraction form
    25,438.85/35,105.87 = 14,108.57/x
  3. Step 3: Cross multiply
    25,438.85x = 35,105.87 × 14,108.57
  4. Step 4: Simplify right side
    25,438.85x = 495,293,624.31
  5. Step 5: Solve for x
    x = 495,293,624.31/25,438.85
  6. Step 6: Final answer
    x = 19,469.97

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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.