Home / 38,453.33-57,686.34-11,798.66

Finding the Fourth Proportional to 38,453.33, 57,686.34 and 11,798.66

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Solution

The fourth proportional to 38,453.33, 57,686.34 and 11,798.66 is: 17,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.33 : 57,686.34 = 11,798.66 : x
  2. Step 2: Convert to fraction form
    38,453.33/57,686.34 = 11,798.66/x
  3. Step 3: Cross multiply
    38,453.33x = 57,686.34 × 11,798.66
  4. Step 4: Simplify right side
    38,453.33x = 680,621,512.30
  5. Step 5: Solve for x
    x = 680,621,512.30/38,453.33
  6. Step 6: Final answer
    x = 17,699.94

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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.