Home / 13,741.56-20,598.48-5,418.36

Finding the Fourth Proportional to 13,741.56, 20,598.48 and 5,418.36

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Solution

The fourth proportional to 13,741.56, 20,598.48 and 5,418.36 is: 8,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.56 : 20,598.48 = 5,418.36 : x
  2. Step 2: Convert to fraction form
    13,741.56/20,598.48 = 5,418.36/x
  3. Step 3: Cross multiply
    13,741.56x = 20,598.48 × 5,418.36
  4. Step 4: Simplify right side
    13,741.56x = 111,609,980.09
  5. Step 5: Solve for x
    x = 111,609,980.09/13,741.56
  6. Step 6: Final answer
    x = 8,122.07

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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.