Home / 19,121.07-26,372.48-13,833.39

Finding the Fourth Proportional to 19,121.07, 26,372.48 and 13,833.39

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Solution

The fourth proportional to 19,121.07, 26,372.48 and 13,833.39 is: 19,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.07 : 26,372.48 = 13,833.39 : x
  2. Step 2: Convert to fraction form
    19,121.07/26,372.48 = 13,833.39/x
  3. Step 3: Cross multiply
    19,121.07x = 26,372.48 × 13,833.39
  4. Step 4: Simplify right side
    19,121.07x = 364,820,731.94
  5. Step 5: Solve for x
    x = 364,820,731.94/19,121.07
  6. Step 6: Final answer
    x = 19,079.51

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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.