Home / 23,091.48-31,867.63-13,020.35

Finding the Fourth Proportional to 23,091.48, 31,867.63 and 13,020.35

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Solution

The fourth proportional to 23,091.48, 31,867.63 and 13,020.35 is: 17,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.48 : 31,867.63 = 13,020.35 : x
  2. Step 2: Convert to fraction form
    23,091.48/31,867.63 = 13,020.35/x
  3. Step 3: Cross multiply
    23,091.48x = 31,867.63 × 13,020.35
  4. Step 4: Simplify right side
    23,091.48x = 414,927,504.38
  5. Step 5: Solve for x
    x = 414,927,504.38/23,091.48
  6. Step 6: Final answer
    x = 17,968.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.