Home / 13,305.22-19,957.83-9,132.58

Finding the Fourth Proportional to 13,305.22, 19,957.83 and 9,132.58

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Solution

The fourth proportional to 13,305.22, 19,957.83 and 9,132.58 is: 13,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.22 : 19,957.83 = 9,132.58 : x
  2. Step 2: Convert to fraction form
    13,305.22/19,957.83 = 9,132.58/x
  3. Step 3: Cross multiply
    13,305.22x = 19,957.83 × 9,132.58
  4. Step 4: Simplify right side
    13,305.22x = 182,266,404.87
  5. Step 5: Solve for x
    x = 182,266,404.87/13,305.22
  6. Step 6: Final answer
    x = 13,698.87

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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.