Home / 18,216.78-24,975.30-17,884.68

Finding the Fourth Proportional to 18,216.78, 24,975.30 and 17,884.68

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Solution

The fourth proportional to 18,216.78, 24,975.30 and 17,884.68 is: 24,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.78 : 24,975.30 = 17,884.68 : x
  2. Step 2: Convert to fraction form
    18,216.78/24,975.30 = 17,884.68/x
  3. Step 3: Cross multiply
    18,216.78x = 24,975.30 × 17,884.68
  4. Step 4: Simplify right side
    18,216.78x = 446,675,248.40
  5. Step 5: Solve for x
    x = 446,675,248.40/18,216.78
  6. Step 6: Final answer
    x = 24,519.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.