Home / 19,199.60-26,486.85-11,238.31

Finding the Fourth Proportional to 19,199.60, 26,486.85 and 11,238.31

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Solution

The fourth proportional to 19,199.60, 26,486.85 and 11,238.31 is: 15,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.60 : 26,486.85 = 11,238.31 : x
  2. Step 2: Convert to fraction form
    19,199.60/26,486.85 = 11,238.31/x
  3. Step 3: Cross multiply
    19,199.60x = 26,486.85 × 11,238.31
  4. Step 4: Simplify right side
    19,199.60x = 297,667,431.22
  5. Step 5: Solve for x
    x = 297,667,431.22/19,199.60
  6. Step 6: Final answer
    x = 15,503.84

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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.