Home / 18,570.96-25,629.67-10,611.64

Finding the Fourth Proportional to 18,570.96, 25,629.67 and 10,611.64

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Solution

The fourth proportional to 18,570.96, 25,629.67 and 10,611.64 is: 14,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.96 : 25,629.67 = 10,611.64 : x
  2. Step 2: Convert to fraction form
    18,570.96/25,629.67 = 10,611.64/x
  3. Step 3: Cross multiply
    18,570.96x = 25,629.67 × 10,611.64
  4. Step 4: Simplify right side
    18,570.96x = 271,972,703.21
  5. Step 5: Solve for x
    x = 271,972,703.21/18,570.96
  6. Step 6: Final answer
    x = 14,645.06

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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.