Home / 20,014.74-27,621.41-11,518.16

Finding the Fourth Proportional to 20,014.74, 27,621.41 and 11,518.16

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Solution

The fourth proportional to 20,014.74, 27,621.41 and 11,518.16 is: 15,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.74 : 27,621.41 = 11,518.16 : x
  2. Step 2: Convert to fraction form
    20,014.74/27,621.41 = 11,518.16/x
  3. Step 3: Cross multiply
    20,014.74x = 27,621.41 × 11,518.16
  4. Step 4: Simplify right side
    20,014.74x = 318,147,624.11
  5. Step 5: Solve for x
    x = 318,147,624.11/20,014.74
  6. Step 6: Final answer
    x = 15,895.67

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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.