Home / 12,012.96-16,569.54-11,021.52

Finding the Fourth Proportional to 12,012.96, 16,569.54 and 11,021.52

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Solution

The fourth proportional to 12,012.96, 16,569.54 and 11,021.52 is: 15,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.96 : 16,569.54 = 11,021.52 : x
  2. Step 2: Convert to fraction form
    12,012.96/16,569.54 = 11,021.52/x
  3. Step 3: Cross multiply
    12,012.96x = 16,569.54 × 11,021.52
  4. Step 4: Simplify right side
    12,012.96x = 182,621,516.50
  5. Step 5: Solve for x
    x = 182,621,516.50/12,012.96
  6. Step 6: Final answer
    x = 15,202.04

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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.