Home / 38,615.06-57,911.40-11,596.31

Finding the Fourth Proportional to 38,615.06, 57,911.40 and 11,596.31

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Solution

The fourth proportional to 38,615.06, 57,911.40 and 11,596.31 is: 17,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615.06 : 57,911.40 = 11,596.31 : x
  2. Step 2: Convert to fraction form
    38,615.06/57,911.40 = 11,596.31/x
  3. Step 3: Cross multiply
    38,615.06x = 57,911.40 × 11,596.31
  4. Step 4: Simplify right side
    38,615.06x = 671,558,553.94
  5. Step 5: Solve for x
    x = 671,558,553.94/38,615.06
  6. Step 6: Final answer
    x = 17,391.11

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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.