Home / 19,750.24-27,221.16-17,216.56

Finding the Fourth Proportional to 19,750.24, 27,221.16 and 17,216.56

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Solution

The fourth proportional to 19,750.24, 27,221.16 and 17,216.56 is: 23,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.24 : 27,221.16 = 17,216.56 : x
  2. Step 2: Convert to fraction form
    19,750.24/27,221.16 = 17,216.56/x
  3. Step 3: Cross multiply
    19,750.24x = 27,221.16 × 17,216.56
  4. Step 4: Simplify right side
    19,750.24x = 468,654,734.41
  5. Step 5: Solve for x
    x = 468,654,734.41/19,750.24
  6. Step 6: Final answer
    x = 23,729.07

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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.