Home / 20,045.30-27,662.09-11,092.26

Finding the Fourth Proportional to 20,045.30, 27,662.09 and 11,092.26

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Solution

The fourth proportional to 20,045.30, 27,662.09 and 11,092.26 is: 15,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.30 : 27,662.09 = 11,092.26 : x
  2. Step 2: Convert to fraction form
    20,045.30/27,662.09 = 11,092.26/x
  3. Step 3: Cross multiply
    20,045.30x = 27,662.09 × 11,092.26
  4. Step 4: Simplify right side
    20,045.30x = 306,835,094.42
  5. Step 5: Solve for x
    x = 306,835,094.42/20,045.30
  6. Step 6: Final answer
    x = 15,307.08

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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.