Home / 13,751.34-20,611.04-5,851.37

Finding the Fourth Proportional to 13,751.34, 20,611.04 and 5,851.37

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Solution

The fourth proportional to 13,751.34, 20,611.04 and 5,851.37 is: 8,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.34 : 20,611.04 = 5,851.37 : x
  2. Step 2: Convert to fraction form
    13,751.34/20,611.04 = 5,851.37/x
  3. Step 3: Cross multiply
    13,751.34x = 20,611.04 × 5,851.37
  4. Step 4: Simplify right side
    13,751.34x = 120,602,688.81
  5. Step 5: Solve for x
    x = 120,602,688.81/13,751.34
  6. Step 6: Final answer
    x = 8,770.25

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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.