Home / 25,777.90-38,672.93-8,247.88

Finding the Fourth Proportional to 25,777.90, 38,672.93 and 8,247.88

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Solution

The fourth proportional to 25,777.90, 38,672.93 and 8,247.88 is: 12,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.90 : 38,672.93 = 8,247.88 : x
  2. Step 2: Convert to fraction form
    25,777.90/38,672.93 = 8,247.88/x
  3. Step 3: Cross multiply
    25,777.90x = 38,672.93 × 8,247.88
  4. Step 4: Simplify right side
    25,777.90x = 318,969,685.89
  5. Step 5: Solve for x
    x = 318,969,685.89/25,777.90
  6. Step 6: Final answer
    x = 12,373.77

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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.