Home / 19,040.14-28,566.06-8,519.02

Finding the Fourth Proportional to 19,040.14, 28,566.06 and 8,519.02

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Solution

The fourth proportional to 19,040.14, 28,566.06 and 8,519.02 is: 12,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.14 : 28,566.06 = 8,519.02 : x
  2. Step 2: Convert to fraction form
    19,040.14/28,566.06 = 8,519.02/x
  3. Step 3: Cross multiply
    19,040.14x = 28,566.06 × 8,519.02
  4. Step 4: Simplify right side
    19,040.14x = 243,354,836.46
  5. Step 5: Solve for x
    x = 243,354,836.46/19,040.14
  6. Step 6: Final answer
    x = 12,781.15

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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.