Home / 13,305.25-19,958.48-4,300.08

Finding the Fourth Proportional to 13,305.25, 19,958.48 and 4,300.08

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Solution

The fourth proportional to 13,305.25, 19,958.48 and 4,300.08 is: 6,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.25 : 19,958.48 = 4,300.08 : x
  2. Step 2: Convert to fraction form
    13,305.25/19,958.48 = 4,300.08/x
  3. Step 3: Cross multiply
    13,305.25x = 19,958.48 × 4,300.08
  4. Step 4: Simplify right side
    13,305.25x = 85,823,060.68
  5. Step 5: Solve for x
    x = 85,823,060.68/13,305.25
  6. Step 6: Final answer
    x = 6,450.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.