Home / 19,983.99-27,552.29-16,385.70

Finding the Fourth Proportional to 19,983.99, 27,552.29 and 16,385.70

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Solution

The fourth proportional to 19,983.99, 27,552.29 and 16,385.70 is: 22,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.99 : 27,552.29 = 16,385.70 : x
  2. Step 2: Convert to fraction form
    19,983.99/27,552.29 = 16,385.70/x
  3. Step 3: Cross multiply
    19,983.99x = 27,552.29 × 16,385.70
  4. Step 4: Simplify right side
    19,983.99x = 451,463,476.32
  5. Step 5: Solve for x
    x = 451,463,476.32/19,983.99
  6. Step 6: Final answer
    x = 22,591.26

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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.