Home / 19,536.51-26,969.72-11,151.39

Finding the Fourth Proportional to 19,536.51, 26,969.72 and 11,151.39

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Solution

The fourth proportional to 19,536.51, 26,969.72 and 11,151.39 is: 15,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.51 : 26,969.72 = 11,151.39 : x
  2. Step 2: Convert to fraction form
    19,536.51/26,969.72 = 11,151.39/x
  3. Step 3: Cross multiply
    19,536.51x = 26,969.72 × 11,151.39
  4. Step 4: Simplify right side
    19,536.51x = 300,749,810.15
  5. Step 5: Solve for x
    x = 300,749,810.15/19,536.51
  6. Step 6: Final answer
    x = 15,394.24

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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.