Home / 13,941.88-19,133.07-13,843.47

Finding the Fourth Proportional to 13,941.88, 19,133.07 and 13,843.47

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Solution

The fourth proportional to 13,941.88, 19,133.07 and 13,843.47 is: 18,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.88 : 19,133.07 = 13,843.47 : x
  2. Step 2: Convert to fraction form
    13,941.88/19,133.07 = 13,843.47/x
  3. Step 3: Cross multiply
    13,941.88x = 19,133.07 × 13,843.47
  4. Step 4: Simplify right side
    13,941.88x = 264,867,984.89
  5. Step 5: Solve for x
    x = 264,867,984.89/13,941.88
  6. Step 6: Final answer
    x = 18,998.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.