Home / 12,927.02-19,392.49-5,531.50

Finding the Fourth Proportional to 12,927.02, 19,392.49 and 5,531.50

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Solution

The fourth proportional to 12,927.02, 19,392.49 and 5,531.50 is: 8,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.02 : 19,392.49 = 5,531.50 : x
  2. Step 2: Convert to fraction form
    12,927.02/19,392.49 = 5,531.50/x
  3. Step 3: Cross multiply
    12,927.02x = 19,392.49 × 5,531.50
  4. Step 4: Simplify right side
    12,927.02x = 107,269,558.44
  5. Step 5: Solve for x
    x = 107,269,558.44/12,927.02
  6. Step 6: Final answer
    x = 8,298.09

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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.