Home / 19,198.72-26,492.16-11,745.28

Finding the Fourth Proportional to 19,198.72, 26,492.16 and 11,745.28

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Solution

The fourth proportional to 19,198.72, 26,492.16 and 11,745.28 is: 16,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.72 : 26,492.16 = 11,745.28 : x
  2. Step 2: Convert to fraction form
    19,198.72/26,492.16 = 11,745.28/x
  3. Step 3: Cross multiply
    19,198.72x = 26,492.16 × 11,745.28
  4. Step 4: Simplify right side
    19,198.72x = 311,157,837.00
  5. Step 5: Solve for x
    x = 311,157,837.00/19,198.72
  6. Step 6: Final answer
    x = 16,207.22

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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.