Home / 19,984.17-27,617.72-16,393.38

Finding the Fourth Proportional to 19,984.17, 27,617.72 and 16,393.38

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Solution

The fourth proportional to 19,984.17, 27,617.72 and 16,393.38 is: 22,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.17 : 27,617.72 = 16,393.38 : x
  2. Step 2: Convert to fraction form
    19,984.17/27,617.72 = 16,393.38/x
  3. Step 3: Cross multiply
    19,984.17x = 27,617.72 × 16,393.38
  4. Step 4: Simplify right side
    19,984.17x = 452,747,778.69
  5. Step 5: Solve for x
    x = 452,747,778.69/19,984.17
  6. Step 6: Final answer
    x = 22,655.32

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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.