Home / 19,327.66-26,667.55-11,256.42

Finding the Fourth Proportional to 19,327.66, 26,667.55 and 11,256.42

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Solution

The fourth proportional to 19,327.66, 26,667.55 and 11,256.42 is: 15,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.66 : 26,667.55 = 11,256.42 : x
  2. Step 2: Convert to fraction form
    19,327.66/26,667.55 = 11,256.42/x
  3. Step 3: Cross multiply
    19,327.66x = 26,667.55 × 11,256.42
  4. Step 4: Simplify right side
    19,327.66x = 300,181,138.90
  5. Step 5: Solve for x
    x = 300,181,138.90/19,327.66
  6. Step 6: Final answer
    x = 15,531.17

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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.