Home / 19,211.62-26,518.65-11,256.42

Finding the Fourth Proportional to 19,211.62, 26,518.65 and 11,256.42

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Solution

The fourth proportional to 19,211.62, 26,518.65 and 11,256.42 is: 15,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.62 : 26,518.65 = 11,256.42 : x
  2. Step 2: Convert to fraction form
    19,211.62/26,518.65 = 11,256.42/x
  3. Step 3: Cross multiply
    19,211.62x = 26,518.65 × 11,256.42
  4. Step 4: Simplify right side
    19,211.62x = 298,505,062.23
  5. Step 5: Solve for x
    x = 298,505,062.23/19,211.62
  6. Step 6: Final answer
    x = 15,537.74

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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.