Home / 12,021.96-16,581.96-11,030.52

Finding the Fourth Proportional to 12,021.96, 16,581.96 and 11,030.52

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Solution

The fourth proportional to 12,021.96, 16,581.96 and 11,030.52 is: 15,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.96 : 16,581.96 = 11,030.52 : x
  2. Step 2: Convert to fraction form
    12,021.96/16,581.96 = 11,030.52/x
  3. Step 3: Cross multiply
    12,021.96x = 16,581.96 × 11,030.52
  4. Step 4: Simplify right side
    12,021.96x = 182,907,641.42
  5. Step 5: Solve for x
    x = 182,907,641.42/12,021.96
  6. Step 6: Final answer
    x = 15,214.46

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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.