Home / 12,833.20-19,249.80-11,302.30

Finding the Fourth Proportional to 12,833.20, 19,249.80 and 11,302.30

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Solution

The fourth proportional to 12,833.20, 19,249.80 and 11,302.30 is: 16,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.20 : 19,249.80 = 11,302.30 : x
  2. Step 2: Convert to fraction form
    12,833.20/19,249.80 = 11,302.30/x
  3. Step 3: Cross multiply
    12,833.20x = 19,249.80 × 11,302.30
  4. Step 4: Simplify right side
    12,833.20x = 217,567,014.54
  5. Step 5: Solve for x
    x = 217,567,014.54/12,833.20
  6. Step 6: Final answer
    x = 16,953.45

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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.