Home / 22,455.48-30,992.64-14,067.12

Finding the Fourth Proportional to 22,455.48, 30,992.64 and 14,067.12

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Solution

The fourth proportional to 22,455.48, 30,992.64 and 14,067.12 is: 19,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.48 : 30,992.64 = 14,067.12 : x
  2. Step 2: Convert to fraction form
    22,455.48/30,992.64 = 14,067.12/x
  3. Step 3: Cross multiply
    22,455.48x = 30,992.64 × 14,067.12
  4. Step 4: Simplify right side
    22,455.48x = 435,977,186.00
  5. Step 5: Solve for x
    x = 435,977,186.00/22,455.48
  6. Step 6: Final answer
    x = 19,415.18

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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.