Home / 16,820.99-25,233.68-5,724.69

Finding the Fourth Proportional to 16,820.99, 25,233.68 and 5,724.69

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Solution

The fourth proportional to 16,820.99, 25,233.68 and 5,724.69 is: 8,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.99 : 25,233.68 = 5,724.69 : x
  2. Step 2: Convert to fraction form
    16,820.99/25,233.68 = 5,724.69/x
  3. Step 3: Cross multiply
    16,820.99x = 25,233.68 × 5,724.69
  4. Step 4: Simplify right side
    16,820.99x = 144,454,966.94
  5. Step 5: Solve for x
    x = 144,454,966.94/16,820.99
  6. Step 6: Final answer
    x = 8,587.78

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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.