Home / 15,621.12-23,431.86-5,232.60

Finding the Fourth Proportional to 15,621.12, 23,431.86 and 5,232.60

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Solution

The fourth proportional to 15,621.12, 23,431.86 and 5,232.60 is: 7,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.12 : 23,431.86 = 5,232.60 : x
  2. Step 2: Convert to fraction form
    15,621.12/23,431.86 = 5,232.60/x
  3. Step 3: Cross multiply
    15,621.12x = 23,431.86 × 5,232.60
  4. Step 4: Simplify right side
    15,621.12x = 122,609,550.64
  5. Step 5: Solve for x
    x = 122,609,550.64/15,621.12
  6. Step 6: Final answer
    x = 7,848.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.