Home / 13,882.11-19,028.81-13,695.22

Finding the Fourth Proportional to 13,882.11, 19,028.81 and 13,695.22

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Solution

The fourth proportional to 13,882.11, 19,028.81 and 13,695.22 is: 18,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.11 : 19,028.81 = 13,695.22 : x
  2. Step 2: Convert to fraction form
    13,882.11/19,028.81 = 13,695.22/x
  3. Step 3: Cross multiply
    13,882.11x = 19,028.81 × 13,695.22
  4. Step 4: Simplify right side
    13,882.11x = 260,603,739.29
  5. Step 5: Solve for x
    x = 260,603,739.29/13,882.11
  6. Step 6: Final answer
    x = 18,772.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.