Home / 13,101.22-19,645.74-4,775.44

Finding the Fourth Proportional to 13,101.22, 19,645.74 and 4,775.44

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Solution

The fourth proportional to 13,101.22, 19,645.74 and 4,775.44 is: 7,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.22 : 19,645.74 = 4,775.44 : x
  2. Step 2: Convert to fraction form
    13,101.22/19,645.74 = 4,775.44/x
  3. Step 3: Cross multiply
    13,101.22x = 19,645.74 × 4,775.44
  4. Step 4: Simplify right side
    13,101.22x = 93,817,052.63
  5. Step 5: Solve for x
    x = 93,817,052.63/13,101.22
  6. Step 6: Final answer
    x = 7,160.94

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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.