Home / 12,788.34-19,185.48-4,024.14

Finding the Fourth Proportional to 12,788.34, 19,185.48 and 4,024.14

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Solution

The fourth proportional to 12,788.34, 19,185.48 and 4,024.14 is: 6,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.34 : 19,185.48 = 4,024.14 : x
  2. Step 2: Convert to fraction form
    12,788.34/19,185.48 = 4,024.14/x
  3. Step 3: Cross multiply
    12,788.34x = 19,185.48 × 4,024.14
  4. Step 4: Simplify right side
    12,788.34x = 77,205,057.49
  5. Step 5: Solve for x
    x = 77,205,057.49/12,788.34
  6. Step 6: Final answer
    x = 6,037.14

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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.