Home / 19,409.36-26,784.78-11,025.86

Finding the Fourth Proportional to 19,409.36, 26,784.78 and 11,025.86

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Solution

The fourth proportional to 19,409.36, 26,784.78 and 11,025.86 is: 15,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.36 : 26,784.78 = 11,025.86 : x
  2. Step 2: Convert to fraction form
    19,409.36/26,784.78 = 11,025.86/x
  3. Step 3: Cross multiply
    19,409.36x = 26,784.78 × 11,025.86
  4. Step 4: Simplify right side
    19,409.36x = 295,325,059.14
  5. Step 5: Solve for x
    x = 295,325,059.14/19,409.36
  6. Step 6: Final answer
    x = 15,215.60

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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.