Home / 25,433.56-38,175.18-13,771.72

Finding the Fourth Proportional to 25,433.56, 38,175.18 and 13,771.72

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Solution

The fourth proportional to 25,433.56, 38,175.18 and 13,771.72 is: 20,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.56 : 38,175.18 = 13,771.72 : x
  2. Step 2: Convert to fraction form
    25,433.56/38,175.18 = 13,771.72/x
  3. Step 3: Cross multiply
    25,433.56x = 38,175.18 × 13,771.72
  4. Step 4: Simplify right side
    25,433.56x = 525,737,889.91
  5. Step 5: Solve for x
    x = 525,737,889.91/25,433.56
  6. Step 6: Final answer
    x = 20,671.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.