Home / 16,639.20-24,958.80-15,108.30

Finding the Fourth Proportional to 16,639.20, 24,958.80 and 15,108.30

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Solution

The fourth proportional to 16,639.20, 24,958.80 and 15,108.30 is: 22,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.20 : 24,958.80 = 15,108.30 : x
  2. Step 2: Convert to fraction form
    16,639.20/24,958.80 = 15,108.30/x
  3. Step 3: Cross multiply
    16,639.20x = 24,958.80 × 15,108.30
  4. Step 4: Simplify right side
    16,639.20x = 377,085,038.04
  5. Step 5: Solve for x
    x = 377,085,038.04/16,639.20
  6. Step 6: Final answer
    x = 22,662.45

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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.