Home / 19,129.95-26,391.75-11,062.11

Finding the Fourth Proportional to 19,129.95, 26,391.75 and 11,062.11

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Solution

The fourth proportional to 19,129.95, 26,391.75 and 11,062.11 is: 15,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.95 : 26,391.75 = 11,062.11 : x
  2. Step 2: Convert to fraction form
    19,129.95/26,391.75 = 11,062.11/x
  3. Step 3: Cross multiply
    19,129.95x = 26,391.75 × 11,062.11
  4. Step 4: Simplify right side
    19,129.95x = 291,948,441.59
  5. Step 5: Solve for x
    x = 291,948,441.59/19,129.95
  6. Step 6: Final answer
    x = 15,261.33

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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.