Home / 22,465.45-30,992.29-13,028.54

Finding the Fourth Proportional to 22,465.45, 30,992.29 and 13,028.54

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Solution

The fourth proportional to 22,465.45, 30,992.29 and 13,028.54 is: 17,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.45 : 30,992.29 = 13,028.54 : x
  2. Step 2: Convert to fraction form
    22,465.45/30,992.29 = 13,028.54/x
  3. Step 3: Cross multiply
    22,465.45x = 30,992.29 × 13,028.54
  4. Step 4: Simplify right side
    22,465.45x = 403,784,289.96
  5. Step 5: Solve for x
    x = 403,784,289.96/22,465.45
  6. Step 6: Final answer
    x = 17,973.57

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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.