Home / 19,113.90-26,383.23-11,159.34

Finding the Fourth Proportional to 19,113.90, 26,383.23 and 11,159.34

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Solution

The fourth proportional to 19,113.90, 26,383.23 and 11,159.34 is: 15,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.90 : 26,383.23 = 11,159.34 : x
  2. Step 2: Convert to fraction form
    19,113.90/26,383.23 = 11,159.34/x
  3. Step 3: Cross multiply
    19,113.90x = 26,383.23 × 11,159.34
  4. Step 4: Simplify right side
    19,113.90x = 294,419,433.87
  5. Step 5: Solve for x
    x = 294,419,433.87/19,113.90
  6. Step 6: Final answer
    x = 15,403.42

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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.