Home / 13,953.96-20,930.88-5,069.26

Finding the Fourth Proportional to 13,953.96, 20,930.88 and 5,069.26

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Solution

The fourth proportional to 13,953.96, 20,930.88 and 5,069.26 is: 7,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.96 : 20,930.88 = 5,069.26 : x
  2. Step 2: Convert to fraction form
    13,953.96/20,930.88 = 5,069.26/x
  3. Step 3: Cross multiply
    13,953.96x = 20,930.88 × 5,069.26
  4. Step 4: Simplify right side
    13,953.96x = 106,104,072.75
  5. Step 5: Solve for x
    x = 106,104,072.75/13,953.96
  6. Step 6: Final answer
    x = 7,603.87

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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.