Home / 19,090.76-28,639.58-5,940.04

Finding the Fourth Proportional to 19,090.76, 28,639.58 and 5,940.04

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Solution

The fourth proportional to 19,090.76, 28,639.58 and 5,940.04 is: 8,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.76 : 28,639.58 = 5,940.04 : x
  2. Step 2: Convert to fraction form
    19,090.76/28,639.58 = 5,940.04/x
  3. Step 3: Cross multiply
    19,090.76x = 28,639.58 × 5,940.04
  4. Step 4: Simplify right side
    19,090.76x = 170,120,250.78
  5. Step 5: Solve for x
    x = 170,120,250.78/19,090.76
  6. Step 6: Final answer
    x = 8,911.13

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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.