Home / 16,853.67-23,240.12-11,540.07

Finding the Fourth Proportional to 16,853.67, 23,240.12 and 11,540.07

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Solution

The fourth proportional to 16,853.67, 23,240.12 and 11,540.07 is: 15,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.67 : 23,240.12 = 11,540.07 : x
  2. Step 2: Convert to fraction form
    16,853.67/23,240.12 = 11,540.07/x
  3. Step 3: Cross multiply
    16,853.67x = 23,240.12 × 11,540.07
  4. Step 4: Simplify right side
    16,853.67x = 268,192,553.91
  5. Step 5: Solve for x
    x = 268,192,553.91/16,853.67
  6. Step 6: Final answer
    x = 15,913.01

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1.5x scale

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.