Home / 13,735.90-20,603.83-4,968.76

Finding the Fourth Proportional to 13,735.90, 20,603.83 and 4,968.76

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Solution

The fourth proportional to 13,735.90, 20,603.83 and 4,968.76 is: 7,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.90 : 20,603.83 = 4,968.76 : x
  2. Step 2: Convert to fraction form
    13,735.90/20,603.83 = 4,968.76/x
  3. Step 3: Cross multiply
    13,735.90x = 20,603.83 × 4,968.76
  4. Step 4: Simplify right side
    13,735.90x = 102,375,422.42
  5. Step 5: Solve for x
    x = 102,375,422.42/13,735.90
  6. Step 6: Final answer
    x = 7,453.13

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1.5x scale

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.