Home / 11,844.30-17,663.49-11,685.40

Finding the Fourth Proportional to 11,844.30, 17,663.49 and 11,685.40

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Solution

The fourth proportional to 11,844.30, 17,663.49 and 11,685.40 is: 17,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,844.30 : 17,663.49 = 11,685.40 : x
  2. Step 2: Convert to fraction form
    11,844.30/17,663.49 = 11,685.40/x
  3. Step 3: Cross multiply
    11,844.30x = 17,663.49 × 11,685.40
  4. Step 4: Simplify right side
    11,844.30x = 206,404,946.05
  5. Step 5: Solve for x
    x = 206,404,946.05/11,844.30
  6. Step 6: Final answer
    x = 17,426.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.