Home / 18,584.88-25,640.85-10,621.47

Finding the Fourth Proportional to 18,584.88, 25,640.85 and 10,621.47

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Solution

The fourth proportional to 18,584.88, 25,640.85 and 10,621.47 is: 14,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.88 : 25,640.85 = 10,621.47 : x
  2. Step 2: Convert to fraction form
    18,584.88/25,640.85 = 10,621.47/x
  3. Step 3: Cross multiply
    18,584.88x = 25,640.85 × 10,621.47
  4. Step 4: Simplify right side
    18,584.88x = 272,343,519.05
  5. Step 5: Solve for x
    x = 272,343,519.05/18,584.88
  6. Step 6: Final answer
    x = 14,654.04

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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.