Home / 15,795.97-23,688.84-8,396.20

Finding the Fourth Proportional to 15,795.97, 23,688.84 and 8,396.20

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Solution

The fourth proportional to 15,795.97, 23,688.84 and 8,396.20 is: 12,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.97 : 23,688.84 = 8,396.20 : x
  2. Step 2: Convert to fraction form
    15,795.97/23,688.84 = 8,396.20/x
  3. Step 3: Cross multiply
    15,795.97x = 23,688.84 × 8,396.20
  4. Step 4: Simplify right side
    15,795.97x = 198,896,238.41
  5. Step 5: Solve for x
    x = 198,896,238.41/15,795.97
  6. Step 6: Final answer
    x = 12,591.58

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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.