Home / 19,840.56-29,760.96-6,693.06

Finding the Fourth Proportional to 19,840.56, 29,760.96 and 6,693.06

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Solution

The fourth proportional to 19,840.56, 29,760.96 and 6,693.06 is: 10,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.56 : 29,760.96 = 6,693.06 : x
  2. Step 2: Convert to fraction form
    19,840.56/29,760.96 = 6,693.06/x
  3. Step 3: Cross multiply
    19,840.56x = 29,760.96 × 6,693.06
  4. Step 4: Simplify right side
    19,840.56x = 199,191,890.94
  5. Step 5: Solve for x
    x = 199,191,890.94/19,840.56
  6. Step 6: Final answer
    x = 10,039.63

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1.5x scale

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.