Home / 12,232.84-18,362.94-11,429.86

Finding the Fourth Proportional to 12,232.84, 18,362.94 and 11,429.86

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Solution

The fourth proportional to 12,232.84, 18,362.94 and 11,429.86 is: 17,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.84 : 18,362.94 = 11,429.86 : x
  2. Step 2: Convert to fraction form
    12,232.84/18,362.94 = 11,429.86/x
  3. Step 3: Cross multiply
    12,232.84x = 18,362.94 × 11,429.86
  4. Step 4: Simplify right side
    12,232.84x = 209,885,833.39
  5. Step 5: Solve for x
    x = 209,885,833.39/12,232.84
  6. Step 6: Final answer
    x = 17,157.57

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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.