Home / 19,090.37-28,628.69-6,607

Finding the Fourth Proportional to 19,090.37, 28,628.69 and 6,607

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Solution

The fourth proportional to 19,090.37, 28,628.69 and 6,607 is: 9,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.37 : 28,628.69 = 6,607 : x
  2. Step 2: Convert to fraction form
    19,090.37/28,628.69 = 6,607/x
  3. Step 3: Cross multiply
    19,090.37x = 28,628.69 × 6,607
  4. Step 4: Simplify right side
    19,090.37x = 189,149,721.80
  5. Step 5: Solve for x
    x = 189,149,721.80/19,090.37
  6. Step 6: Final answer
    x = 9,908.12

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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.