Home / 25,755.79-38,630.62-6,782.35

Finding the Fourth Proportional to 25,755.79, 38,630.62 and 6,782.35

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Solution

The fourth proportional to 25,755.79, 38,630.62 and 6,782.35 is: 10,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.79 : 38,630.62 = 6,782.35 : x
  2. Step 2: Convert to fraction form
    25,755.79/38,630.62 = 6,782.35/x
  3. Step 3: Cross multiply
    25,755.79x = 38,630.62 × 6,782.35
  4. Step 4: Simplify right side
    25,755.79x = 262,006,385.56
  5. Step 5: Solve for x
    x = 262,006,385.56/25,755.79
  6. Step 6: Final answer
    x = 10,172.72

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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.