Home / 19,040.94-26,286.04-11,971.26

Finding the Fourth Proportional to 19,040.94, 26,286.04 and 11,971.26

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Solution

The fourth proportional to 19,040.94, 26,286.04 and 11,971.26 is: 16,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.94 : 26,286.04 = 11,971.26 : x
  2. Step 2: Convert to fraction form
    19,040.94/26,286.04 = 11,971.26/x
  3. Step 3: Cross multiply
    19,040.94x = 26,286.04 × 11,971.26
  4. Step 4: Simplify right side
    19,040.94x = 314,677,019.21
  5. Step 5: Solve for x
    x = 314,677,019.21/19,040.94
  6. Step 6: Final answer
    x = 16,526.34

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1.5x scale

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.