Home / 19,945.85-27,525.93-10,993.67

Finding the Fourth Proportional to 19,945.85, 27,525.93 and 10,993.67

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Solution

The fourth proportional to 19,945.85, 27,525.93 and 10,993.67 is: 15,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.85 : 27,525.93 = 10,993.67 : x
  2. Step 2: Convert to fraction form
    19,945.85/27,525.93 = 10,993.67/x
  3. Step 3: Cross multiply
    19,945.85x = 27,525.93 × 10,993.67
  4. Step 4: Simplify right side
    19,945.85x = 302,611,070.06
  5. Step 5: Solve for x
    x = 302,611,070.06/19,945.85
  6. Step 6: Final answer
    x = 15,171.63

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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.