Home / 13,763.06-20,645.38-3,901.56

Finding the Fourth Proportional to 13,763.06, 20,645.38 and 3,901.56

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Solution

The fourth proportional to 13,763.06, 20,645.38 and 3,901.56 is: 5,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.06 : 20,645.38 = 3,901.56 : x
  2. Step 2: Convert to fraction form
    13,763.06/20,645.38 = 3,901.56/x
  3. Step 3: Cross multiply
    13,763.06x = 20,645.38 × 3,901.56
  4. Step 4: Simplify right side
    13,763.06x = 80,549,220.90
  5. Step 5: Solve for x
    x = 80,549,220.90/13,763.06
  6. Step 6: Final answer
    x = 5,852.57

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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.