Home / 19,829.96-27,360.26-11,866.55

Finding the Fourth Proportional to 19,829.96, 27,360.26 and 11,866.55

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Solution

The fourth proportional to 19,829.96, 27,360.26 and 11,866.55 is: 16,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.96 : 27,360.26 = 11,866.55 : x
  2. Step 2: Convert to fraction form
    19,829.96/27,360.26 = 11,866.55/x
  3. Step 3: Cross multiply
    19,829.96x = 27,360.26 × 11,866.55
  4. Step 4: Simplify right side
    19,829.96x = 324,671,697.17
  5. Step 5: Solve for x
    x = 324,671,697.17/19,829.96
  6. Step 6: Final answer
    x = 16,372.79

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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.