Home / 13,826.34-20,740.68-5,059.14

Finding the Fourth Proportional to 13,826.34, 20,740.68 and 5,059.14

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Solution

The fourth proportional to 13,826.34, 20,740.68 and 5,059.14 is: 7,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.34 : 20,740.68 = 5,059.14 : x
  2. Step 2: Convert to fraction form
    13,826.34/20,740.68 = 5,059.14/x
  3. Step 3: Cross multiply
    13,826.34x = 20,740.68 × 5,059.14
  4. Step 4: Simplify right side
    13,826.34x = 104,930,003.82
  5. Step 5: Solve for x
    x = 104,930,003.82/13,826.34
  6. Step 6: Final answer
    x = 7,589.14

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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.