Home / 19,091.01-28,640.63-5,762.90

Finding the Fourth Proportional to 19,091.01, 28,640.63 and 5,762.90

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Solution

The fourth proportional to 19,091.01, 28,640.63 and 5,762.90 is: 8,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.01 : 28,640.63 = 5,762.90 : x
  2. Step 2: Convert to fraction form
    19,091.01/28,640.63 = 5,762.90/x
  3. Step 3: Cross multiply
    19,091.01x = 28,640.63 × 5,762.90
  4. Step 4: Simplify right side
    19,091.01x = 165,053,172.64
  5. Step 5: Solve for x
    x = 165,053,172.64/19,091.01
  6. Step 6: Final answer
    x = 8,645.60

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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.