Home / 27,583.30-41,387.10-12,784.60

Finding the Fourth Proportional to 27,583.30, 41,387.10 and 12,784.60

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Solution

The fourth proportional to 27,583.30, 41,387.10 and 12,784.60 is: 19,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.30 : 41,387.10 = 12,784.60 : x
  2. Step 2: Convert to fraction form
    27,583.30/41,387.10 = 12,784.60/x
  3. Step 3: Cross multiply
    27,583.30x = 41,387.10 × 12,784.60
  4. Step 4: Simplify right side
    27,583.30x = 529,117,518.66
  5. Step 5: Solve for x
    x = 529,117,518.66/27,583.30
  6. Step 6: Final answer
    x = 19,182.53

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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.