Home / 12,333.38-18,473.87-11,901.80

Finding the Fourth Proportional to 12,333.38, 18,473.87 and 11,901.80

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Solution

The fourth proportional to 12,333.38, 18,473.87 and 11,901.80 is: 17,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.38 : 18,473.87 = 11,901.80 : x
  2. Step 2: Convert to fraction form
    12,333.38/18,473.87 = 11,901.80/x
  3. Step 3: Cross multiply
    12,333.38x = 18,473.87 × 11,901.80
  4. Step 4: Simplify right side
    12,333.38x = 219,872,381.91
  5. Step 5: Solve for x
    x = 219,872,381.91/12,333.38
  6. Step 6: Final answer
    x = 17,827.42

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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.