Home / 18,299.02-25,243.41-12,249.52

Finding the Fourth Proportional to 18,299.02, 25,243.41 and 12,249.52

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Solution

The fourth proportional to 18,299.02, 25,243.41 and 12,249.52 is: 16,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.02 : 25,243.41 = 12,249.52 : x
  2. Step 2: Convert to fraction form
    18,299.02/25,243.41 = 12,249.52/x
  3. Step 3: Cross multiply
    18,299.02x = 25,243.41 × 12,249.52
  4. Step 4: Simplify right side
    18,299.02x = 309,219,655.66
  5. Step 5: Solve for x
    x = 309,219,655.66/18,299.02
  6. Step 6: Final answer
    x = 16,898.15

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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.