Home / 19,681.00-27,162.61-11,723.36

Finding the Fourth Proportional to 19,681.00, 27,162.61 and 11,723.36

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Solution

The fourth proportional to 19,681.00, 27,162.61 and 11,723.36 is: 16,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.00 : 27,162.61 = 11,723.36 : x
  2. Step 2: Convert to fraction form
    19,681.00/27,162.61 = 11,723.36/x
  3. Step 3: Cross multiply
    19,681.00x = 27,162.61 × 11,723.36
  4. Step 4: Simplify right side
    19,681.00x = 318,436,890.45
  5. Step 5: Solve for x
    x = 318,436,890.45/19,681.00
  6. Step 6: Final answer
    x = 16,179.92

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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.