Home / 18,636.96-25,705.56-10,676.28

Finding the Fourth Proportional to 18,636.96, 25,705.56 and 10,676.28

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Solution

The fourth proportional to 18,636.96, 25,705.56 and 10,676.28 is: 14,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.96 : 25,705.56 = 10,676.28 : x
  2. Step 2: Convert to fraction form
    18,636.96/25,705.56 = 10,676.28/x
  3. Step 3: Cross multiply
    18,636.96x = 25,705.56 × 10,676.28
  4. Step 4: Simplify right side
    18,636.96x = 274,439,627.59
  5. Step 5: Solve for x
    x = 274,439,627.59/18,636.96
  6. Step 6: Final answer
    x = 14,725.56

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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.