Home / 16,718.64-25,080.14-5,620.56

Finding the Fourth Proportional to 16,718.64, 25,080.14 and 5,620.56

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Solution

The fourth proportional to 16,718.64, 25,080.14 and 5,620.56 is: 8,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.64 : 25,080.14 = 5,620.56 : x
  2. Step 2: Convert to fraction form
    16,718.64/25,080.14 = 5,620.56/x
  3. Step 3: Cross multiply
    16,718.64x = 25,080.14 × 5,620.56
  4. Step 4: Simplify right side
    16,718.64x = 140,964,431.68
  5. Step 5: Solve for x
    x = 140,964,431.68/16,718.64
  6. Step 6: Final answer
    x = 8,431.57

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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.