Home / 19,769.44-27,281.03-11,816.05

Finding the Fourth Proportional to 19,769.44, 27,281.03 and 11,816.05

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Solution

The fourth proportional to 19,769.44, 27,281.03 and 11,816.05 is: 16,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.44 : 27,281.03 = 11,816.05 : x
  2. Step 2: Convert to fraction form
    19,769.44/27,281.03 = 11,816.05/x
  3. Step 3: Cross multiply
    19,769.44x = 27,281.03 × 11,816.05
  4. Step 4: Simplify right side
    19,769.44x = 322,354,014.53
  5. Step 5: Solve for x
    x = 322,354,014.53/19,769.44
  6. Step 6: Final answer
    x = 16,305.67

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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.