Home / 13,720.59-20,568.74-5,926.77

Finding the Fourth Proportional to 13,720.59, 20,568.74 and 5,926.77

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Solution

The fourth proportional to 13,720.59, 20,568.74 and 5,926.77 is: 8,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.59 : 20,568.74 = 5,926.77 : x
  2. Step 2: Convert to fraction form
    13,720.59/20,568.74 = 5,926.77/x
  3. Step 3: Cross multiply
    13,720.59x = 20,568.74 × 5,926.77
  4. Step 4: Simplify right side
    13,720.59x = 121,906,161.54
  5. Step 5: Solve for x
    x = 121,906,161.54/13,720.59
  6. Step 6: Final answer
    x = 8,884.91

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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.