Home / 19,083.89-26,348.76-11,916.61

Finding the Fourth Proportional to 19,083.89, 26,348.76 and 11,916.61

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Solution

The fourth proportional to 19,083.89, 26,348.76 and 11,916.61 is: 16,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.89 : 26,348.76 = 11,916.61 : x
  2. Step 2: Convert to fraction form
    19,083.89/26,348.76 = 11,916.61/x
  3. Step 3: Cross multiply
    19,083.89x = 26,348.76 × 11,916.61
  4. Step 4: Simplify right side
    19,083.89x = 313,987,831.03
  5. Step 5: Solve for x
    x = 313,987,831.03/19,083.89
  6. Step 6: Final answer
    x = 16,453.03

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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.