Home / 13,067.42-18,032.46-7,402.06

Finding the Fourth Proportional to 13,067.42, 18,032.46 and 7,402.06

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Solution

The fourth proportional to 13,067.42, 18,032.46 and 7,402.06 is: 10,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.42 : 18,032.46 = 7,402.06 : x
  2. Step 2: Convert to fraction form
    13,067.42/18,032.46 = 7,402.06/x
  3. Step 3: Cross multiply
    13,067.42x = 18,032.46 × 7,402.06
  4. Step 4: Simplify right side
    13,067.42x = 133,477,321.05
  5. Step 5: Solve for x
    x = 133,477,321.05/13,067.42
  6. Step 6: Final answer
    x = 10,214.51

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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.