Home / 19,728.51-27,226.00-10,776.85

Finding the Fourth Proportional to 19,728.51, 27,226.00 and 10,776.85

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Solution

The fourth proportional to 19,728.51, 27,226.00 and 10,776.85 is: 14,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.51 : 27,226.00 = 10,776.85 : x
  2. Step 2: Convert to fraction form
    19,728.51/27,226.00 = 10,776.85/x
  3. Step 3: Cross multiply
    19,728.51x = 27,226.00 × 10,776.85
  4. Step 4: Simplify right side
    19,728.51x = 293,410,545.04
  5. Step 5: Solve for x
    x = 293,410,545.04/19,728.51
  6. Step 6: Final answer
    x = 14,872.41

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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.