Home / 13,604.18-20,403.91-3,741.11

Finding the Fourth Proportional to 13,604.18, 20,403.91 and 3,741.11

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Solution

The fourth proportional to 13,604.18, 20,403.91 and 3,741.11 is: 5,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.18 : 20,403.91 = 3,741.11 : x
  2. Step 2: Convert to fraction form
    13,604.18/20,403.91 = 3,741.11/x
  3. Step 3: Cross multiply
    13,604.18x = 20,403.91 × 3,741.11
  4. Step 4: Simplify right side
    13,604.18x = 76,333,271.74
  5. Step 5: Solve for x
    x = 76,333,271.74/13,604.18
  6. Step 6: Final answer
    x = 5,611.02

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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.