Home / 19,983.17-27,616.34-16,392.38

Finding the Fourth Proportional to 19,983.17, 27,616.34 and 16,392.38

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Solution

The fourth proportional to 19,983.17, 27,616.34 and 16,392.38 is: 22,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.17 : 27,616.34 = 16,392.38 : x
  2. Step 2: Convert to fraction form
    19,983.17/27,616.34 = 16,392.38/x
  3. Step 3: Cross multiply
    19,983.17x = 27,616.34 × 16,392.38
  4. Step 4: Simplify right side
    19,983.17x = 452,697,442.39
  5. Step 5: Solve for x
    x = 452,697,442.39/19,983.17
  6. Step 6: Final answer
    x = 22,653.93

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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.