Home / 14,188.91-21,267.56-6,777.41

Finding the Fourth Proportional to 14,188.91, 21,267.56 and 6,777.41

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Solution

The fourth proportional to 14,188.91, 21,267.56 and 6,777.41 is: 10,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.91 : 21,267.56 = 6,777.41 : x
  2. Step 2: Convert to fraction form
    14,188.91/21,267.56 = 6,777.41/x
  3. Step 3: Cross multiply
    14,188.91x = 21,267.56 × 6,777.41
  4. Step 4: Simplify right side
    14,188.91x = 144,138,884.43
  5. Step 5: Solve for x
    x = 144,138,884.43/14,188.91
  6. Step 6: Final answer
    x = 10,158.56

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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.