Home / 13,735.92-20,603.70-3,347.76

Finding the Fourth Proportional to 13,735.92, 20,603.70 and 3,347.76

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Solution

The fourth proportional to 13,735.92, 20,603.70 and 3,347.76 is: 5,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.92 : 20,603.70 = 3,347.76 : x
  2. Step 2: Convert to fraction form
    13,735.92/20,603.70 = 3,347.76/x
  3. Step 3: Cross multiply
    13,735.92x = 20,603.70 × 3,347.76
  4. Step 4: Simplify right side
    13,735.92x = 68,976,242.71
  5. Step 5: Solve for x
    x = 68,976,242.71/13,735.92
  6. Step 6: Final answer
    x = 5,021.60

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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.