Home / 19,474.66-26,875.20-11,091.70

Finding the Fourth Proportional to 19,474.66, 26,875.20 and 11,091.70

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Solution

The fourth proportional to 19,474.66, 26,875.20 and 11,091.70 is: 15,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.66 : 26,875.20 = 11,091.70 : x
  2. Step 2: Convert to fraction form
    19,474.66/26,875.20 = 11,091.70/x
  3. Step 3: Cross multiply
    19,474.66x = 26,875.20 × 11,091.70
  4. Step 4: Simplify right side
    19,474.66x = 298,091,655.84
  5. Step 5: Solve for x
    x = 298,091,655.84/19,474.66
  6. Step 6: Final answer
    x = 15,306.64

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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.