Home / 19,256.82-28,889.97-11,365.86

Finding the Fourth Proportional to 19,256.82, 28,889.97 and 11,365.86

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Solution

The fourth proportional to 19,256.82, 28,889.97 and 11,365.86 is: 17,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.82 : 28,889.97 = 11,365.86 : x
  2. Step 2: Convert to fraction form
    19,256.82/28,889.97 = 11,365.86/x
  3. Step 3: Cross multiply
    19,256.82x = 28,889.97 × 11,365.86
  4. Step 4: Simplify right side
    19,256.82x = 328,359,354.42
  5. Step 5: Solve for x
    x = 328,359,354.42/19,256.82
  6. Step 6: Final answer
    x = 17,051.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.