Home / 19,342.26-26,684.64-11,371.86

Finding the Fourth Proportional to 19,342.26, 26,684.64 and 11,371.86

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Solution

The fourth proportional to 19,342.26, 26,684.64 and 11,371.86 is: 15,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.26 : 26,684.64 = 11,371.86 : x
  2. Step 2: Convert to fraction form
    19,342.26/26,684.64 = 11,371.86/x
  3. Step 3: Cross multiply
    19,342.26x = 26,684.64 × 11,371.86
  4. Step 4: Simplify right side
    19,342.26x = 303,453,990.23
  5. Step 5: Solve for x
    x = 303,453,990.23/19,342.26
  6. Step 6: Final answer
    x = 15,688.65

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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.