Home / 13,767.12-20,620.44-10,293.84

Finding the Fourth Proportional to 13,767.12, 20,620.44 and 10,293.84

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Solution

The fourth proportional to 13,767.12, 20,620.44 and 10,293.84 is: 15,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.12 : 20,620.44 = 10,293.84 : x
  2. Step 2: Convert to fraction form
    13,767.12/20,620.44 = 10,293.84/x
  3. Step 3: Cross multiply
    13,767.12x = 20,620.44 × 10,293.84
  4. Step 4: Simplify right side
    13,767.12x = 212,263,510.09
  5. Step 5: Solve for x
    x = 212,263,510.09/13,767.12
  6. Step 6: Final answer
    x = 15,418.15

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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.