Home / 19,093.91-28,638.74-5,945.18

Finding the Fourth Proportional to 19,093.91, 28,638.74 and 5,945.18

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Solution

The fourth proportional to 19,093.91, 28,638.74 and 5,945.18 is: 8,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.91 : 28,638.74 = 5,945.18 : x
  2. Step 2: Convert to fraction form
    19,093.91/28,638.74 = 5,945.18/x
  3. Step 3: Cross multiply
    19,093.91x = 28,638.74 × 5,945.18
  4. Step 4: Simplify right side
    19,093.91x = 170,262,291.35
  5. Step 5: Solve for x
    x = 170,262,291.35/19,093.91
  6. Step 6: Final answer
    x = 8,917.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.