Home / 15,766.96-23,649.75-3,920.48

Finding the Fourth Proportional to 15,766.96, 23,649.75 and 3,920.48

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Solution

The fourth proportional to 15,766.96, 23,649.75 and 3,920.48 is: 5,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.96 : 23,649.75 = 3,920.48 : x
  2. Step 2: Convert to fraction form
    15,766.96/23,649.75 = 3,920.48/x
  3. Step 3: Cross multiply
    15,766.96x = 23,649.75 × 3,920.48
  4. Step 4: Simplify right side
    15,766.96x = 92,718,431.00
  5. Step 5: Solve for x
    x = 92,718,431.00/15,766.96
  6. Step 6: Final answer
    x = 5,880.55

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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.