Home / 19,144.26-26,411.70-14,120.39

Finding the Fourth Proportional to 19,144.26, 26,411.70 and 14,120.39

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Solution

The fourth proportional to 19,144.26, 26,411.70 and 14,120.39 is: 19,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.26 : 26,411.70 = 14,120.39 : x
  2. Step 2: Convert to fraction form
    19,144.26/26,411.70 = 14,120.39/x
  3. Step 3: Cross multiply
    19,144.26x = 26,411.70 × 14,120.39
  4. Step 4: Simplify right side
    19,144.26x = 372,943,372.50
  5. Step 5: Solve for x
    x = 372,943,372.50/19,144.26
  6. Step 6: Final answer
    x = 19,480.69

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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.