Home / 17,088.28-25,636.20-5,401.60

Finding the Fourth Proportional to 17,088.28, 25,636.20 and 5,401.60

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Solution

The fourth proportional to 17,088.28, 25,636.20 and 5,401.60 is: 8,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.28 : 25,636.20 = 5,401.60 : x
  2. Step 2: Convert to fraction form
    17,088.28/25,636.20 = 5,401.60/x
  3. Step 3: Cross multiply
    17,088.28x = 25,636.20 × 5,401.60
  4. Step 4: Simplify right side
    17,088.28x = 138,476,497.92
  5. Step 5: Solve for x
    x = 138,476,497.92/17,088.28
  6. Step 6: Final answer
    x = 8,103.59

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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.