Home / 13,741.21-20,611.75-4,974.07

Finding the Fourth Proportional to 13,741.21, 20,611.75 and 4,974.07

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Solution

The fourth proportional to 13,741.21, 20,611.75 and 4,974.07 is: 7,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.21 : 20,611.75 = 4,974.07 : x
  2. Step 2: Convert to fraction form
    13,741.21/20,611.75 = 4,974.07/x
  3. Step 3: Cross multiply
    13,741.21x = 20,611.75 × 4,974.07
  4. Step 4: Simplify right side
    13,741.21x = 102,524,287.32
  5. Step 5: Solve for x
    x = 102,524,287.32/13,741.21
  6. Step 6: Final answer
    x = 7,461.08

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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.