Home / 13,187.22-19,788.62-4,873.11

Finding the Fourth Proportional to 13,187.22, 19,788.62 and 4,873.11

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Solution

The fourth proportional to 13,187.22, 19,788.62 and 4,873.11 is: 7,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.22 : 19,788.62 = 4,873.11 : x
  2. Step 2: Convert to fraction form
    13,187.22/19,788.62 = 4,873.11/x
  3. Step 3: Cross multiply
    13,187.22x = 19,788.62 × 4,873.11
  4. Step 4: Simplify right side
    13,187.22x = 96,432,122.01
  5. Step 5: Solve for x
    x = 96,432,122.01/13,187.22
  6. Step 6: Final answer
    x = 7,312.54

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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.