Home / 16,871.28-25,286.86-7,007.91

Finding the Fourth Proportional to 16,871.28, 25,286.86 and 7,007.91

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Solution

The fourth proportional to 16,871.28, 25,286.86 and 7,007.91 is: 10,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.28 : 25,286.86 = 7,007.91 : x
  2. Step 2: Convert to fraction form
    16,871.28/25,286.86 = 7,007.91/x
  3. Step 3: Cross multiply
    16,871.28x = 25,286.86 × 7,007.91
  4. Step 4: Simplify right side
    16,871.28x = 177,208,039.06
  5. Step 5: Solve for x
    x = 177,208,039.06/16,871.28
  6. Step 6: Final answer
    x = 10,503.53

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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.