Home / 19,796.93-27,309.40-12,240.84

Finding the Fourth Proportional to 19,796.93, 27,309.40 and 12,240.84

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Solution

The fourth proportional to 19,796.93, 27,309.40 and 12,240.84 is: 16,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.93 : 27,309.40 = 12,240.84 : x
  2. Step 2: Convert to fraction form
    19,796.93/27,309.40 = 12,240.84/x
  3. Step 3: Cross multiply
    19,796.93x = 27,309.40 × 12,240.84
  4. Step 4: Simplify right side
    19,796.93x = 334,289,995.90
  5. Step 5: Solve for x
    x = 334,289,995.90/19,796.93
  6. Step 6: Final answer
    x = 16,885.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.