Home / 17,041.41-23,519.03-15,137.91

Finding the Fourth Proportional to 17,041.41, 23,519.03 and 15,137.91

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Solution

The fourth proportional to 17,041.41, 23,519.03 and 15,137.91 is: 20,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.41 : 23,519.03 = 15,137.91 : x
  2. Step 2: Convert to fraction form
    17,041.41/23,519.03 = 15,137.91/x
  3. Step 3: Cross multiply
    17,041.41x = 23,519.03 × 15,137.91
  4. Step 4: Simplify right side
    17,041.41x = 356,028,883.74
  5. Step 5: Solve for x
    x = 356,028,883.74/17,041.41
  6. Step 6: Final answer
    x = 20,891.99

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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.