Home / 19,469.40-26,868.33-10,971.60

Finding the Fourth Proportional to 19,469.40, 26,868.33 and 10,971.60

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Solution

The fourth proportional to 19,469.40, 26,868.33 and 10,971.60 is: 15,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.40 : 26,868.33 = 10,971.60 : x
  2. Step 2: Convert to fraction form
    19,469.40/26,868.33 = 10,971.60/x
  3. Step 3: Cross multiply
    19,469.40x = 26,868.33 × 10,971.60
  4. Step 4: Simplify right side
    19,469.40x = 294,788,569.43
  5. Step 5: Solve for x
    x = 294,788,569.43/19,469.40
  6. Step 6: Final answer
    x = 15,141.12

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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.