Home / 19,316.21-28,968.16-6,165.50

Finding the Fourth Proportional to 19,316.21, 28,968.16 and 6,165.50

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Solution

The fourth proportional to 19,316.21, 28,968.16 and 6,165.50 is: 9,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.21 : 28,968.16 = 6,165.50 : x
  2. Step 2: Convert to fraction form
    19,316.21/28,968.16 = 6,165.50/x
  3. Step 3: Cross multiply
    19,316.21x = 28,968.16 × 6,165.50
  4. Step 4: Simplify right side
    19,316.21x = 178,603,187.39
  5. Step 5: Solve for x
    x = 178,603,187.39/19,316.21
  6. Step 6: Final answer
    x = 9,246.29

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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.