Home / 19,412.96-26,791.41-10,917.17

Finding the Fourth Proportional to 19,412.96, 26,791.41 and 10,917.17

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Solution

The fourth proportional to 19,412.96, 26,791.41 and 10,917.17 is: 15,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.96 : 26,791.41 = 10,917.17 : x
  2. Step 2: Convert to fraction form
    19,412.96/26,791.41 = 10,917.17/x
  3. Step 3: Cross multiply
    19,412.96x = 26,791.41 × 10,917.17
  4. Step 4: Simplify right side
    19,412.96x = 292,486,243.55
  5. Step 5: Solve for x
    x = 292,486,243.55/19,412.96
  6. Step 6: Final answer
    x = 15,066.55

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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.