Home / 20,029.08-27,643.50-11,650.44

Finding the Fourth Proportional to 20,029.08, 27,643.50 and 11,650.44

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Solution

The fourth proportional to 20,029.08, 27,643.50 and 11,650.44 is: 16,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.08 : 27,643.50 = 11,650.44 : x
  2. Step 2: Convert to fraction form
    20,029.08/27,643.50 = 11,650.44/x
  3. Step 3: Cross multiply
    20,029.08x = 27,643.50 × 11,650.44
  4. Step 4: Simplify right side
    20,029.08x = 322,058,938.14
  5. Step 5: Solve for x
    x = 322,058,938.14/20,029.08
  6. Step 6: Final answer
    x = 16,079.57

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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.