Home / 13,577.63-20,365.53-3,716.99

Finding the Fourth Proportional to 13,577.63, 20,365.53 and 3,716.99

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Solution

The fourth proportional to 13,577.63, 20,365.53 and 3,716.99 is: 5,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.63 : 20,365.53 = 3,716.99 : x
  2. Step 2: Convert to fraction form
    13,577.63/20,365.53 = 3,716.99/x
  3. Step 3: Cross multiply
    13,577.63x = 20,365.53 × 3,716.99
  4. Step 4: Simplify right side
    13,577.63x = 75,698,431.96
  5. Step 5: Solve for x
    x = 75,698,431.96/13,577.63
  6. Step 6: Final answer
    x = 5,575.23

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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.