Home / 16,771.86-25,160.83-6,905.76

Finding the Fourth Proportional to 16,771.86, 25,160.83 and 6,905.76

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Solution

The fourth proportional to 16,771.86, 25,160.83 and 6,905.76 is: 10,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.86 : 25,160.83 = 6,905.76 : x
  2. Step 2: Convert to fraction form
    16,771.86/25,160.83 = 6,905.76/x
  3. Step 3: Cross multiply
    16,771.86x = 25,160.83 × 6,905.76
  4. Step 4: Simplify right side
    16,771.86x = 173,754,541.76
  5. Step 5: Solve for x
    x = 173,754,541.76/16,771.86
  6. Step 6: Final answer
    x = 10,359.89

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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.