Home / 38,321.99-57,491.64-11,670.37

Finding the Fourth Proportional to 38,321.99, 57,491.64 and 11,670.37

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Solution

The fourth proportional to 38,321.99, 57,491.64 and 11,670.37 is: 17,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.99 : 57,491.64 = 11,670.37 : x
  2. Step 2: Convert to fraction form
    38,321.99/57,491.64 = 11,670.37/x
  3. Step 3: Cross multiply
    38,321.99x = 57,491.64 × 11,670.37
  4. Step 4: Simplify right side
    38,321.99x = 670,948,710.71
  5. Step 5: Solve for x
    x = 670,948,710.71/38,321.99
  6. Step 6: Final answer
    x = 17,508.19

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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.