Home / 19,317.12-28,980.48-5,466.24

Finding the Fourth Proportional to 19,317.12, 28,980.48 and 5,466.24

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Solution

The fourth proportional to 19,317.12, 28,980.48 and 5,466.24 is: 8,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.12 : 28,980.48 = 5,466.24 : x
  2. Step 2: Convert to fraction form
    19,317.12/28,980.48 = 5,466.24/x
  3. Step 3: Cross multiply
    19,317.12x = 28,980.48 × 5,466.24
  4. Step 4: Simplify right side
    19,317.12x = 158,414,259.00
  5. Step 5: Solve for x
    x = 158,414,259.00/19,317.12
  6. Step 6: Final answer
    x = 8,200.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.