Home / 19,633.60-27,091.36-11,675.68

Finding the Fourth Proportional to 19,633.60, 27,091.36 and 11,675.68

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Solution

The fourth proportional to 19,633.60, 27,091.36 and 11,675.68 is: 16,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.60 : 27,091.36 = 11,675.68 : x
  2. Step 2: Convert to fraction form
    19,633.60/27,091.36 = 11,675.68/x
  3. Step 3: Cross multiply
    19,633.60x = 27,091.36 × 11,675.68
  4. Step 4: Simplify right side
    19,633.60x = 316,310,050.12
  5. Step 5: Solve for x
    x = 316,310,050.12/19,633.60
  6. Step 6: Final answer
    x = 16,110.65

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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.