Home / 16,189.25-22,340.55-9,018.99

Finding the Fourth Proportional to 16,189.25, 22,340.55 and 9,018.99

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Solution

The fourth proportional to 16,189.25, 22,340.55 and 9,018.99 is: 12,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.25 : 22,340.55 = 9,018.99 : x
  2. Step 2: Convert to fraction form
    16,189.25/22,340.55 = 9,018.99/x
  3. Step 3: Cross multiply
    16,189.25x = 22,340.55 × 9,018.99
  4. Step 4: Simplify right side
    16,189.25x = 201,489,197.04
  5. Step 5: Solve for x
    x = 201,489,197.04/16,189.25
  6. Step 6: Final answer
    x = 12,445.87

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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.