Home / 19,116-28,668.53-8,025.18

Finding the Fourth Proportional to 19,116, 28,668.53 and 8,025.18

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Solution

The fourth proportional to 19,116, 28,668.53 and 8,025.18 is: 12,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116 : 28,668.53 = 8,025.18 : x
  2. Step 2: Convert to fraction form
    19,116/28,668.53 = 8,025.18/x
  3. Step 3: Cross multiply
    19,116x = 28,668.53 × 8,025.18
  4. Step 4: Simplify right side
    19,116x = 230,070,026.14
  5. Step 5: Solve for x
    x = 230,070,026.14/19,116
  6. Step 6: Final answer
    x = 12,035.47

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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.