Home / 22,347.97-30,840.39-12,276.63

Finding the Fourth Proportional to 22,347.97, 30,840.39 and 12,276.63

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Solution

The fourth proportional to 22,347.97, 30,840.39 and 12,276.63 is: 16,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.97 : 30,840.39 = 12,276.63 : x
  2. Step 2: Convert to fraction form
    22,347.97/30,840.39 = 12,276.63/x
  3. Step 3: Cross multiply
    22,347.97x = 30,840.39 × 12,276.63
  4. Step 4: Simplify right side
    22,347.97x = 378,616,057.09
  5. Step 5: Solve for x
    x = 378,616,057.09/22,347.97
  6. Step 6: Final answer
    x = 16,941.86

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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.