Home / 12,233.90-16,969.40-11,814.32

Finding the Fourth Proportional to 12,233.90, 16,969.40 and 11,814.32

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Solution

The fourth proportional to 12,233.90, 16,969.40 and 11,814.32 is: 16,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.90 : 16,969.40 = 11,814.32 : x
  2. Step 2: Convert to fraction form
    12,233.90/16,969.40 = 11,814.32/x
  3. Step 3: Cross multiply
    12,233.90x = 16,969.40 × 11,814.32
  4. Step 4: Simplify right side
    12,233.90x = 200,481,921.81
  5. Step 5: Solve for x
    x = 200,481,921.81/12,233.90
  6. Step 6: Final answer
    x = 16,387.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.