Home / 38,467.36-57,709.68-12,173.68

Finding the Fourth Proportional to 38,467.36, 57,709.68 and 12,173.68

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Solution

The fourth proportional to 38,467.36, 57,709.68 and 12,173.68 is: 18,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.36 : 57,709.68 = 12,173.68 : x
  2. Step 2: Convert to fraction form
    38,467.36/57,709.68 = 12,173.68/x
  3. Step 3: Cross multiply
    38,467.36x = 57,709.68 × 12,173.68
  4. Step 4: Simplify right side
    38,467.36x = 702,539,177.22
  5. Step 5: Solve for x
    x = 702,539,177.22/38,467.36
  6. Step 6: Final answer
    x = 18,263.25

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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.