Home / 19,104.65-26,309.91-13,791.05

Finding the Fourth Proportional to 19,104.65, 26,309.91 and 13,791.05

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Solution

The fourth proportional to 19,104.65, 26,309.91 and 13,791.05 is: 18,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.65 : 26,309.91 = 13,791.05 : x
  2. Step 2: Convert to fraction form
    19,104.65/26,309.91 = 13,791.05/x
  3. Step 3: Cross multiply
    19,104.65x = 26,309.91 × 13,791.05
  4. Step 4: Simplify right side
    19,104.65x = 362,841,350.08
  5. Step 5: Solve for x
    x = 362,841,350.08/19,104.65
  6. Step 6: Final answer
    x = 18,992.30

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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.