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Finding the Fourth Proportional to 13,094.16, 19,660.92 and 11,265.16

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Solution

The fourth proportional to 13,094.16, 19,660.92 and 11,265.16 is: 16,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.16 : 19,660.92 = 11,265.16 : x
  2. Step 2: Convert to fraction form
    13,094.16/19,660.92 = 11,265.16/x
  3. Step 3: Cross multiply
    13,094.16x = 19,660.92 × 11,265.16
  4. Step 4: Simplify right side
    13,094.16x = 221,483,409.55
  5. Step 5: Solve for x
    x = 221,483,409.55/13,094.16
  6. Step 6: Final answer
    x = 16,914.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.