Home / 19,390.88-29,046.84-17,776.28

Finding the Fourth Proportional to 19,390.88, 29,046.84 and 17,776.28

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Solution

The fourth proportional to 19,390.88, 29,046.84 and 17,776.28 is: 26,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.88 : 29,046.84 = 17,776.28 : x
  2. Step 2: Convert to fraction form
    19,390.88/29,046.84 = 17,776.28/x
  3. Step 3: Cross multiply
    19,390.88x = 29,046.84 × 17,776.28
  4. Step 4: Simplify right side
    19,390.88x = 516,344,760.96
  5. Step 5: Solve for x
    x = 516,344,760.96/19,390.88
  6. Step 6: Final answer
    x = 26,628.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.