Home / 17,815.70-26,723.55-16,649.30

Finding the Fourth Proportional to 17,815.70, 26,723.55 and 16,649.30

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Solution

The fourth proportional to 17,815.70, 26,723.55 and 16,649.30 is: 24,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.70 : 26,723.55 = 16,649.30 : x
  2. Step 2: Convert to fraction form
    17,815.70/26,723.55 = 16,649.30/x
  3. Step 3: Cross multiply
    17,815.70x = 26,723.55 × 16,649.30
  4. Step 4: Simplify right side
    17,815.70x = 444,928,401.02
  5. Step 5: Solve for x
    x = 444,928,401.02/17,815.70
  6. Step 6: Final answer
    x = 24,973.95

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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.