Home / 19,630.33-27,090.57-11,248.45

Finding the Fourth Proportional to 19,630.33, 27,090.57 and 11,248.45

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Solution

The fourth proportional to 19,630.33, 27,090.57 and 11,248.45 is: 15,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.33 : 27,090.57 = 11,248.45 : x
  2. Step 2: Convert to fraction form
    19,630.33/27,090.57 = 11,248.45/x
  3. Step 3: Cross multiply
    19,630.33x = 27,090.57 × 11,248.45
  4. Step 4: Simplify right side
    19,630.33x = 304,726,922.12
  5. Step 5: Solve for x
    x = 304,726,922.12/19,630.33
  6. Step 6: Final answer
    x = 15,523.27

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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.