Home / 20,249.72-27,983.21-14,603.00

Finding the Fourth Proportional to 20,249.72, 27,983.21 and 14,603.00

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Solution

The fourth proportional to 20,249.72, 27,983.21 and 14,603.00 is: 20,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.72 : 27,983.21 = 14,603.00 : x
  2. Step 2: Convert to fraction form
    20,249.72/27,983.21 = 14,603.00/x
  3. Step 3: Cross multiply
    20,249.72x = 27,983.21 × 14,603.00
  4. Step 4: Simplify right side
    20,249.72x = 408,638,602.70
  5. Step 5: Solve for x
    x = 408,638,602.70/20,249.72
  6. Step 6: Final answer
    x = 20,179.97

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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.