Home / 19,390.06-26,757.60-11,849.01

Finding the Fourth Proportional to 19,390.06, 26,757.60 and 11,849.01

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Solution

The fourth proportional to 19,390.06, 26,757.60 and 11,849.01 is: 16,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.06 : 26,757.60 = 11,849.01 : x
  2. Step 2: Convert to fraction form
    19,390.06/26,757.60 = 11,849.01/x
  3. Step 3: Cross multiply
    19,390.06x = 26,757.60 × 11,849.01
  4. Step 4: Simplify right side
    19,390.06x = 317,051,010.73
  5. Step 5: Solve for x
    x = 317,051,010.73/19,390.06
  6. Step 6: Final answer
    x = 16,351.21

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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.