Home / 13,832.72-19,083.72-8,518.32

Finding the Fourth Proportional to 13,832.72, 19,083.72 and 8,518.32

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Solution

The fourth proportional to 13,832.72, 19,083.72 and 8,518.32 is: 11,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.72 : 19,083.72 = 8,518.32 : x
  2. Step 2: Convert to fraction form
    13,832.72/19,083.72 = 8,518.32/x
  3. Step 3: Cross multiply
    13,832.72x = 19,083.72 × 8,518.32
  4. Step 4: Simplify right side
    13,832.72x = 162,561,233.75
  5. Step 5: Solve for x
    x = 162,561,233.75/13,832.72
  6. Step 6: Final answer
    x = 11,751.94

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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.