Home / 13,103.75-19,638.10-4,775.93

Finding the Fourth Proportional to 13,103.75, 19,638.10 and 4,775.93

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Solution

The fourth proportional to 13,103.75, 19,638.10 and 4,775.93 is: 7,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.75 : 19,638.10 = 4,775.93 : x
  2. Step 2: Convert to fraction form
    13,103.75/19,638.10 = 4,775.93/x
  3. Step 3: Cross multiply
    13,103.75x = 19,638.10 × 4,775.93
  4. Step 4: Simplify right side
    13,103.75x = 93,790,246.00
  5. Step 5: Solve for x
    x = 93,790,246.00/13,103.75
  6. Step 6: Final answer
    x = 7,157.51

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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.