Home / 13,650.63-20,516.34-11,325.72

Finding the Fourth Proportional to 13,650.63, 20,516.34 and 11,325.72

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Solution

The fourth proportional to 13,650.63, 20,516.34 and 11,325.72 is: 17,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.63 : 20,516.34 = 11,325.72 : x
  2. Step 2: Convert to fraction form
    13,650.63/20,516.34 = 11,325.72/x
  3. Step 3: Cross multiply
    13,650.63x = 20,516.34 × 11,325.72
  4. Step 4: Simplify right side
    13,650.63x = 232,362,322.26
  5. Step 5: Solve for x
    x = 232,362,322.26/13,650.63
  6. Step 6: Final answer
    x = 17,022.10

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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.