Home / 13,830.35-19,084.82-8,525.25

Finding the Fourth Proportional to 13,830.35, 19,084.82 and 8,525.25

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Solution

The fourth proportional to 13,830.35, 19,084.82 and 8,525.25 is: 11,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.35 : 19,084.82 = 8,525.25 : x
  2. Step 2: Convert to fraction form
    13,830.35/19,084.82 = 8,525.25/x
  3. Step 3: Cross multiply
    13,830.35x = 19,084.82 × 8,525.25
  4. Step 4: Simplify right side
    13,830.35x = 162,702,819.08
  5. Step 5: Solve for x
    x = 162,702,819.08/13,830.35
  6. Step 6: Final answer
    x = 11,764.19

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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.