Home / 25,850.22-38,750.69-8,307.72

Finding the Fourth Proportional to 25,850.22, 38,750.69 and 8,307.72

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Solution

The fourth proportional to 25,850.22, 38,750.69 and 8,307.72 is: 12,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.22 : 38,750.69 = 8,307.72 : x
  2. Step 2: Convert to fraction form
    25,850.22/38,750.69 = 8,307.72/x
  3. Step 3: Cross multiply
    25,850.22x = 38,750.69 × 8,307.72
  4. Step 4: Simplify right side
    25,850.22x = 321,929,840.79
  5. Step 5: Solve for x
    x = 321,929,840.79/25,850.22
  6. Step 6: Final answer
    x = 12,453.66

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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.