Home / 18,141.24-24,977.64-16,480.32

Finding the Fourth Proportional to 18,141.24, 24,977.64 and 16,480.32

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Solution

The fourth proportional to 18,141.24, 24,977.64 and 16,480.32 is: 22,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.24 : 24,977.64 = 16,480.32 : x
  2. Step 2: Convert to fraction form
    18,141.24/24,977.64 = 16,480.32/x
  3. Step 3: Cross multiply
    18,141.24x = 24,977.64 × 16,480.32
  4. Step 4: Simplify right side
    18,141.24x = 411,639,500.04
  5. Step 5: Solve for x
    x = 411,639,500.04/18,141.24
  6. Step 6: Final answer
    x = 22,690.81

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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.