Home / 19,530.65-29,295.97-4,739.56

Finding the Fourth Proportional to 19,530.65, 29,295.97 and 4,739.56

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Solution

The fourth proportional to 19,530.65, 29,295.97 and 4,739.56 is: 7,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.65 : 29,295.97 = 4,739.56 : x
  2. Step 2: Convert to fraction form
    19,530.65/29,295.97 = 4,739.56/x
  3. Step 3: Cross multiply
    19,530.65x = 29,295.97 × 4,739.56
  4. Step 4: Simplify right side
    19,530.65x = 138,849,922.48
  5. Step 5: Solve for x
    x = 138,849,922.48/19,530.65
  6. Step 6: Final answer
    x = 7,109.33

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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.