Home / 19,717.02-27,194.13-11,757.56

Finding the Fourth Proportional to 19,717.02, 27,194.13 and 11,757.56

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Solution

The fourth proportional to 19,717.02, 27,194.13 and 11,757.56 is: 16,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.02 : 27,194.13 = 11,757.56 : x
  2. Step 2: Convert to fraction form
    19,717.02/27,194.13 = 11,757.56/x
  3. Step 3: Cross multiply
    19,717.02x = 27,194.13 × 11,757.56
  4. Step 4: Simplify right side
    19,717.02x = 319,736,479.15
  5. Step 5: Solve for x
    x = 319,736,479.15/19,717.02
  6. Step 6: Final answer
    x = 16,216.27

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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.