Home / 19,761.84-27,238.32-16,393.86

Finding the Fourth Proportional to 19,761.84, 27,238.32 and 16,393.86

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Solution

The fourth proportional to 19,761.84, 27,238.32 and 16,393.86 is: 22,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.84 : 27,238.32 = 16,393.86 : x
  2. Step 2: Convert to fraction form
    19,761.84/27,238.32 = 16,393.86/x
  3. Step 3: Cross multiply
    19,761.84x = 27,238.32 × 16,393.86
  4. Step 4: Simplify right side
    19,761.84x = 446,541,204.72
  5. Step 5: Solve for x
    x = 446,541,204.72/19,761.84
  6. Step 6: Final answer
    x = 22,596.14

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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.