Home / 18,920.92-26,112.66-14,132.56

Finding the Fourth Proportional to 18,920.92, 26,112.66 and 14,132.56

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Solution

The fourth proportional to 18,920.92, 26,112.66 and 14,132.56 is: 19,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.92 : 26,112.66 = 14,132.56 : x
  2. Step 2: Convert to fraction form
    18,920.92/26,112.66 = 14,132.56/x
  3. Step 3: Cross multiply
    18,920.92x = 26,112.66 × 14,132.56
  4. Step 4: Simplify right side
    18,920.92x = 369,038,734.21
  5. Step 5: Solve for x
    x = 369,038,734.21/18,920.92
  6. Step 6: Final answer
    x = 19,504.27

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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.