Home / 38,668.93-57,993.94-12,368.23

Finding the Fourth Proportional to 38,668.93, 57,993.94 and 12,368.23

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Solution

The fourth proportional to 38,668.93, 57,993.94 and 12,368.23 is: 18,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.93 : 57,993.94 = 12,368.23 : x
  2. Step 2: Convert to fraction form
    38,668.93/57,993.94 = 12,368.23/x
  3. Step 3: Cross multiply
    38,668.93x = 57,993.94 × 12,368.23
  4. Step 4: Simplify right side
    38,668.93x = 717,282,388.53
  5. Step 5: Solve for x
    x = 717,282,388.53/38,668.93
  6. Step 6: Final answer
    x = 18,549.32

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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.