Home / 13,993.53-20,992.58-4,133.81

Finding the Fourth Proportional to 13,993.53, 20,992.58 and 4,133.81

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Solution

The fourth proportional to 13,993.53, 20,992.58 and 4,133.81 is: 6,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.53 : 20,992.58 = 4,133.81 : x
  2. Step 2: Convert to fraction form
    13,993.53/20,992.58 = 4,133.81/x
  3. Step 3: Cross multiply
    13,993.53x = 20,992.58 × 4,133.81
  4. Step 4: Simplify right side
    13,993.53x = 86,779,331.22
  5. Step 5: Solve for x
    x = 86,779,331.22/13,993.53
  6. Step 6: Final answer
    x = 6,201.39

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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.