Home / 38,569.65-57,858.74-12,268.25

Finding the Fourth Proportional to 38,569.65, 57,858.74 and 12,268.25

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Solution

The fourth proportional to 38,569.65, 57,858.74 and 12,268.25 is: 18,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.65 : 57,858.74 = 12,268.25 : x
  2. Step 2: Convert to fraction form
    38,569.65/57,858.74 = 12,268.25/x
  3. Step 3: Cross multiply
    38,569.65x = 57,858.74 × 12,268.25
  4. Step 4: Simplify right side
    38,569.65x = 709,825,136.37
  5. Step 5: Solve for x
    x = 709,825,136.37/38,569.65
  6. Step 6: Final answer
    x = 18,403.72

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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.