Home / 19,109.82-26,374.68-11,152.02

Finding the Fourth Proportional to 19,109.82, 26,374.68 and 11,152.02

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Solution

The fourth proportional to 19,109.82, 26,374.68 and 11,152.02 is: 15,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.82 : 26,374.68 = 11,152.02 : x
  2. Step 2: Convert to fraction form
    19,109.82/26,374.68 = 11,152.02/x
  3. Step 3: Cross multiply
    19,109.82x = 26,374.68 × 11,152.02
  4. Step 4: Simplify right side
    19,109.82x = 294,130,958.85
  5. Step 5: Solve for x
    x = 294,130,958.85/19,109.82
  6. Step 6: Final answer
    x = 15,391.61

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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.