Home / 16,616.30-24,932.55-12,666.20

Finding the Fourth Proportional to 16,616.30, 24,932.55 and 12,666.20

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Solution

The fourth proportional to 16,616.30, 24,932.55 and 12,666.20 is: 19,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.30 : 24,932.55 = 12,666.20 : x
  2. Step 2: Convert to fraction form
    16,616.30/24,932.55 = 12,666.20/x
  3. Step 3: Cross multiply
    16,616.30x = 24,932.55 × 12,666.20
  4. Step 4: Simplify right side
    16,616.30x = 315,800,664.81
  5. Step 5: Solve for x
    x = 315,800,664.81/16,616.30
  6. Step 6: Final answer
    x = 19,005.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.