Home / 13,824.63-20,736.92-11,038.25

Finding the Fourth Proportional to 13,824.63, 20,736.92 and 11,038.25

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Solution

The fourth proportional to 13,824.63, 20,736.92 and 11,038.25 is: 16,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.63 : 20,736.92 = 11,038.25 : x
  2. Step 2: Convert to fraction form
    13,824.63/20,736.92 = 11,038.25/x
  3. Step 3: Cross multiply
    13,824.63x = 20,736.92 × 11,038.25
  4. Step 4: Simplify right side
    13,824.63x = 228,899,231.10
  5. Step 5: Solve for x
    x = 228,899,231.10/13,824.63
  6. Step 6: Final answer
    x = 16,557.35

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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.