Home / 25,845.22-35,662.13-15,236.90

Finding the Fourth Proportional to 25,845.22, 35,662.13 and 15,236.90

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Solution

The fourth proportional to 25,845.22, 35,662.13 and 15,236.90 is: 21,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.22 : 35,662.13 = 15,236.90 : x
  2. Step 2: Convert to fraction form
    25,845.22/35,662.13 = 15,236.90/x
  3. Step 3: Cross multiply
    25,845.22x = 35,662.13 × 15,236.90
  4. Step 4: Simplify right side
    25,845.22x = 543,380,054.10
  5. Step 5: Solve for x
    x = 543,380,054.10/25,845.22
  6. Step 6: Final answer
    x = 21,024.40

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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.