Home / 18,608.96-25,680.56-10,225.44

Finding the Fourth Proportional to 18,608.96, 25,680.56 and 10,225.44

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Solution

The fourth proportional to 18,608.96, 25,680.56 and 10,225.44 is: 14,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.96 : 25,680.56 = 10,225.44 : x
  2. Step 2: Convert to fraction form
    18,608.96/25,680.56 = 10,225.44/x
  3. Step 3: Cross multiply
    18,608.96x = 25,680.56 × 10,225.44
  4. Step 4: Simplify right side
    18,608.96x = 262,595,025.45
  5. Step 5: Solve for x
    x = 262,595,025.45/18,608.96
  6. Step 6: Final answer
    x = 14,111.21

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Double scale
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Similar ratio
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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.