Home / 19,100.37-28,640.15-6,619.35

Finding the Fourth Proportional to 19,100.37, 28,640.15 and 6,619.35

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Solution

The fourth proportional to 19,100.37, 28,640.15 and 6,619.35 is: 9,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.37 : 28,640.15 = 6,619.35 : x
  2. Step 2: Convert to fraction form
    19,100.37/28,640.15 = 6,619.35/x
  3. Step 3: Cross multiply
    19,100.37x = 28,640.15 × 6,619.35
  4. Step 4: Simplify right side
    19,100.37x = 189,579,176.90
  5. Step 5: Solve for x
    x = 189,579,176.90/19,100.37
  6. Step 6: Final answer
    x = 9,925.42

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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.