Home / 19,086.69-28,623.02-6,603.51

Finding the Fourth Proportional to 19,086.69, 28,623.02 and 6,603.51

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Solution

The fourth proportional to 19,086.69, 28,623.02 and 6,603.51 is: 9,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.69 : 28,623.02 = 6,603.51 : x
  2. Step 2: Convert to fraction form
    19,086.69/28,623.02 = 6,603.51/x
  3. Step 3: Cross multiply
    19,086.69x = 28,623.02 × 6,603.51
  4. Step 4: Simplify right side
    19,086.69x = 189,012,365.78
  5. Step 5: Solve for x
    x = 189,012,365.78/19,086.69
  6. Step 6: Final answer
    x = 9,902.84

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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.