Home / 19,858.59-29,772.23-13,599.68

Finding the Fourth Proportional to 19,858.59, 29,772.23 and 13,599.68

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Solution

The fourth proportional to 19,858.59, 29,772.23 and 13,599.68 is: 20,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.59 : 29,772.23 = 13,599.68 : x
  2. Step 2: Convert to fraction form
    19,858.59/29,772.23 = 13,599.68/x
  3. Step 3: Cross multiply
    19,858.59x = 29,772.23 × 13,599.68
  4. Step 4: Simplify right side
    19,858.59x = 404,892,584.03
  5. Step 5: Solve for x
    x = 404,892,584.03/19,858.59
  6. Step 6: Final answer
    x = 20,388.79

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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.