Home / 19,729.08-27,226.08-11,775.87

Finding the Fourth Proportional to 19,729.08, 27,226.08 and 11,775.87

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Solution

The fourth proportional to 19,729.08, 27,226.08 and 11,775.87 is: 16,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.08 : 27,226.08 = 11,775.87 : x
  2. Step 2: Convert to fraction form
    19,729.08/27,226.08 = 11,775.87/x
  3. Step 3: Cross multiply
    19,729.08x = 27,226.08 × 11,775.87
  4. Step 4: Simplify right side
    19,729.08x = 320,610,778.69
  5. Step 5: Solve for x
    x = 320,610,778.69/19,729.08
  6. Step 6: Final answer
    x = 16,250.67

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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.