Home / 22,536.22-31,099.80-12,465.09

Finding the Fourth Proportional to 22,536.22, 31,099.80 and 12,465.09

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Solution

The fourth proportional to 22,536.22, 31,099.80 and 12,465.09 is: 17,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.22 : 31,099.80 = 12,465.09 : x
  2. Step 2: Convert to fraction form
    22,536.22/31,099.80 = 12,465.09/x
  3. Step 3: Cross multiply
    22,536.22x = 31,099.80 × 12,465.09
  4. Step 4: Simplify right side
    22,536.22x = 387,661,805.98
  5. Step 5: Solve for x
    x = 387,661,805.98/22,536.22
  6. Step 6: Final answer
    x = 17,201.72

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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.