Home / 18,611.03-25,684.34-10,653.08

Finding the Fourth Proportional to 18,611.03, 25,684.34 and 10,653.08

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Solution

The fourth proportional to 18,611.03, 25,684.34 and 10,653.08 is: 14,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.03 : 25,684.34 = 10,653.08 : x
  2. Step 2: Convert to fraction form
    18,611.03/25,684.34 = 10,653.08/x
  3. Step 3: Cross multiply
    18,611.03x = 25,684.34 × 10,653.08
  4. Step 4: Simplify right side
    18,611.03x = 273,617,147.08
  5. Step 5: Solve for x
    x = 273,617,147.08/18,611.03
  6. Step 6: Final answer
    x = 14,701.88

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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.