Home / 18,684.43-25,784.50-10,186.55

Finding the Fourth Proportional to 18,684.43, 25,784.50 and 10,186.55

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Solution

The fourth proportional to 18,684.43, 25,784.50 and 10,186.55 is: 14,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.43 : 25,784.50 = 10,186.55 : x
  2. Step 2: Convert to fraction form
    18,684.43/25,784.50 = 10,186.55/x
  3. Step 3: Cross multiply
    18,684.43x = 25,784.50 × 10,186.55
  4. Step 4: Simplify right side
    18,684.43x = 262,655,199.84
  5. Step 5: Solve for x
    x = 262,655,199.84/18,684.43
  6. Step 6: Final answer
    x = 14,057.44

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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.