Home / 19,137.99-26,401.21-16,480.79

Finding the Fourth Proportional to 19,137.99, 26,401.21 and 16,480.79

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Solution

The fourth proportional to 19,137.99, 26,401.21 and 16,480.79 is: 22,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.99 : 26,401.21 = 16,480.79 : x
  2. Step 2: Convert to fraction form
    19,137.99/26,401.21 = 16,480.79/x
  3. Step 3: Cross multiply
    19,137.99x = 26,401.21 × 16,480.79
  4. Step 4: Simplify right side
    19,137.99x = 435,112,797.76
  5. Step 5: Solve for x
    x = 435,112,797.76/19,137.99
  6. Step 6: Final answer
    x = 22,735.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.