Home / 18,684.10-25,783.29-11,960.26

Finding the Fourth Proportional to 18,684.10, 25,783.29 and 11,960.26

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Solution

The fourth proportional to 18,684.10, 25,783.29 and 11,960.26 is: 16,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.10 : 25,783.29 = 11,960.26 : x
  2. Step 2: Convert to fraction form
    18,684.10/25,783.29 = 11,960.26/x
  3. Step 3: Cross multiply
    18,684.10x = 25,783.29 × 11,960.26
  4. Step 4: Simplify right side
    18,684.10x = 308,374,852.06
  5. Step 5: Solve for x
    x = 308,374,852.06/18,684.10
  6. Step 6: Final answer
    x = 16,504.67

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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.