Home / 18,880.56-26,056.08-11,327.31

Finding the Fourth Proportional to 18,880.56, 26,056.08 and 11,327.31

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Solution

The fourth proportional to 18,880.56, 26,056.08 and 11,327.31 is: 15,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.56 : 26,056.08 = 11,327.31 : x
  2. Step 2: Convert to fraction form
    18,880.56/26,056.08 = 11,327.31/x
  3. Step 3: Cross multiply
    18,880.56x = 26,056.08 × 11,327.31
  4. Step 4: Simplify right side
    18,880.56x = 295,145,295.54
  5. Step 5: Solve for x
    x = 295,145,295.54/18,880.56
  6. Step 6: Final answer
    x = 15,632.23

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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.