Home / 19,285.43-28,927.80-6,137.64

Finding the Fourth Proportional to 19,285.43, 28,927.80 and 6,137.64

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Solution

The fourth proportional to 19,285.43, 28,927.80 and 6,137.64 is: 9,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.43 : 28,927.80 = 6,137.64 : x
  2. Step 2: Convert to fraction form
    19,285.43/28,927.80 = 6,137.64/x
  3. Step 3: Cross multiply
    19,285.43x = 28,927.80 × 6,137.64
  4. Step 4: Simplify right side
    19,285.43x = 177,548,422.39
  5. Step 5: Solve for x
    x = 177,548,422.39/19,285.43
  6. Step 6: Final answer
    x = 9,206.35

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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.