Home / 19,710.96-27,196.03-11,747.55

Finding the Fourth Proportional to 19,710.96, 27,196.03 and 11,747.55

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Solution

The fourth proportional to 19,710.96, 27,196.03 and 11,747.55 is: 16,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.96 : 27,196.03 = 11,747.55 : x
  2. Step 2: Convert to fraction form
    19,710.96/27,196.03 = 11,747.55/x
  3. Step 3: Cross multiply
    19,710.96x = 27,196.03 × 11,747.55
  4. Step 4: Simplify right side
    19,710.96x = 319,486,722.23
  5. Step 5: Solve for x
    x = 319,486,722.23/19,710.96
  6. Step 6: Final answer
    x = 16,208.58

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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.