Home / 19,425.12-26,804.60-11,873.30

Finding the Fourth Proportional to 19,425.12, 26,804.60 and 11,873.30

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Solution

The fourth proportional to 19,425.12, 26,804.60 and 11,873.30 is: 16,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.12 : 26,804.60 = 11,873.30 : x
  2. Step 2: Convert to fraction form
    19,425.12/26,804.60 = 11,873.30/x
  3. Step 3: Cross multiply
    19,425.12x = 26,804.60 × 11,873.30
  4. Step 4: Simplify right side
    19,425.12x = 318,259,057.18
  5. Step 5: Solve for x
    x = 318,259,057.18/19,425.12
  6. Step 6: Final answer
    x = 16,383.89

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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.