Home / 21,927.96-30,260.39-12,367.44

Finding the Fourth Proportional to 21,927.96, 30,260.39 and 12,367.44

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Solution

The fourth proportional to 21,927.96, 30,260.39 and 12,367.44 is: 17,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.96 : 30,260.39 = 12,367.44 : x
  2. Step 2: Convert to fraction form
    21,927.96/30,260.39 = 12,367.44/x
  3. Step 3: Cross multiply
    21,927.96x = 30,260.39 × 12,367.44
  4. Step 4: Simplify right side
    21,927.96x = 374,243,495.86
  5. Step 5: Solve for x
    x = 374,243,495.86/21,927.96
  6. Step 6: Final answer
    x = 17,066.95

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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.