Home / 19,507.02-26,912.44-12,796.38

Finding the Fourth Proportional to 19,507.02, 26,912.44 and 12,796.38

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Solution

The fourth proportional to 19,507.02, 26,912.44 and 12,796.38 is: 17,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.02 : 26,912.44 = 12,796.38 : x
  2. Step 2: Convert to fraction form
    19,507.02/26,912.44 = 12,796.38/x
  3. Step 3: Cross multiply
    19,507.02x = 26,912.44 × 12,796.38
  4. Step 4: Simplify right side
    19,507.02x = 344,381,808.97
  5. Step 5: Solve for x
    x = 344,381,808.97/19,507.02
  6. Step 6: Final answer
    x = 17,654.25

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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.