Home / 19,570.36-29,357.31-5,530.54

Finding the Fourth Proportional to 19,570.36, 29,357.31 and 5,530.54

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Solution

The fourth proportional to 19,570.36, 29,357.31 and 5,530.54 is: 8,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.36 : 29,357.31 = 5,530.54 : x
  2. Step 2: Convert to fraction form
    19,570.36/29,357.31 = 5,530.54/x
  3. Step 3: Cross multiply
    19,570.36x = 29,357.31 × 5,530.54
  4. Step 4: Simplify right side
    19,570.36x = 162,361,777.25
  5. Step 5: Solve for x
    x = 162,361,777.25/19,570.36
  6. Step 6: Final answer
    x = 8,296.31

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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.