Home / 13,380.52-18,464.33-7,329.56

Finding the Fourth Proportional to 13,380.52, 18,464.33 and 7,329.56

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Solution

The fourth proportional to 13,380.52, 18,464.33 and 7,329.56 is: 10,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.52 : 18,464.33 = 7,329.56 : x
  2. Step 2: Convert to fraction form
    13,380.52/18,464.33 = 7,329.56/x
  3. Step 3: Cross multiply
    13,380.52x = 18,464.33 × 7,329.56
  4. Step 4: Simplify right side
    13,380.52x = 135,335,285.63
  5. Step 5: Solve for x
    x = 135,335,285.63/13,380.52
  6. Step 6: Final answer
    x = 10,114.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.