Home / 16,719.46-25,078.65-6,851.32

Finding the Fourth Proportional to 16,719.46, 25,078.65 and 6,851.32

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Solution

The fourth proportional to 16,719.46, 25,078.65 and 6,851.32 is: 10,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.46 : 25,078.65 = 6,851.32 : x
  2. Step 2: Convert to fraction form
    16,719.46/25,078.65 = 6,851.32/x
  3. Step 3: Cross multiply
    16,719.46x = 25,078.65 × 6,851.32
  4. Step 4: Simplify right side
    16,719.46x = 171,821,856.32
  5. Step 5: Solve for x
    x = 171,821,856.32/16,719.46
  6. Step 6: Final answer
    x = 10,276.76

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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.