Home / 15,621.18-23,416.71-5,755.06

Finding the Fourth Proportional to 15,621.18, 23,416.71 and 5,755.06

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Solution

The fourth proportional to 15,621.18, 23,416.71 and 5,755.06 is: 8,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.18 : 23,416.71 = 5,755.06 : x
  2. Step 2: Convert to fraction form
    15,621.18/23,416.71 = 5,755.06/x
  3. Step 3: Cross multiply
    15,621.18x = 23,416.71 × 5,755.06
  4. Step 4: Simplify right side
    15,621.18x = 134,764,571.05
  5. Step 5: Solve for x
    x = 134,764,571.05/15,621.18
  6. Step 6: Final answer
    x = 8,627.04

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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.