Home / 13,955.16-20,926.72-5,183.64

Finding the Fourth Proportional to 13,955.16, 20,926.72 and 5,183.64

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Solution

The fourth proportional to 13,955.16, 20,926.72 and 5,183.64 is: 7,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.16 : 20,926.72 = 5,183.64 : x
  2. Step 2: Convert to fraction form
    13,955.16/20,926.72 = 5,183.64/x
  3. Step 3: Cross multiply
    13,955.16x = 20,926.72 × 5,183.64
  4. Step 4: Simplify right side
    13,955.16x = 108,476,582.86
  5. Step 5: Solve for x
    x = 108,476,582.86/13,955.16
  6. Step 6: Final answer
    x = 7,773.22

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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.