Home / 19,739.54-29,580.06-12,325.52

Finding the Fourth Proportional to 19,739.54, 29,580.06 and 12,325.52

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Solution

The fourth proportional to 19,739.54, 29,580.06 and 12,325.52 is: 18,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.54 : 29,580.06 = 12,325.52 : x
  2. Step 2: Convert to fraction form
    19,739.54/29,580.06 = 12,325.52/x
  3. Step 3: Cross multiply
    19,739.54x = 29,580.06 × 12,325.52
  4. Step 4: Simplify right side
    19,739.54x = 364,589,621.13
  5. Step 5: Solve for x
    x = 364,589,621.13/19,739.54
  6. Step 6: Final answer
    x = 18,470.02

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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.