Home / 13,734.33-20,587.60-5,411.11

Finding the Fourth Proportional to 13,734.33, 20,587.60 and 5,411.11

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Solution

The fourth proportional to 13,734.33, 20,587.60 and 5,411.11 is: 8,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.33 : 20,587.60 = 5,411.11 : x
  2. Step 2: Convert to fraction form
    13,734.33/20,587.60 = 5,411.11/x
  3. Step 3: Cross multiply
    13,734.33x = 20,587.60 × 5,411.11
  4. Step 4: Simplify right side
    13,734.33x = 111,401,768.24
  5. Step 5: Solve for x
    x = 111,401,768.24/13,734.33
  6. Step 6: Final answer
    x = 8,111.19

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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.