Home / 14,125.76-21,188.56-3,451.99

Finding the Fourth Proportional to 14,125.76, 21,188.56 and 3,451.99

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Solution

The fourth proportional to 14,125.76, 21,188.56 and 3,451.99 is: 5,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.76 : 21,188.56 = 3,451.99 : x
  2. Step 2: Convert to fraction form
    14,125.76/21,188.56 = 3,451.99/x
  3. Step 3: Cross multiply
    14,125.76x = 21,188.56 × 3,451.99
  4. Step 4: Simplify right side
    14,125.76x = 73,142,697.23
  5. Step 5: Solve for x
    x = 73,142,697.23/14,125.76
  6. Step 6: Final answer
    x = 5,177.97

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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.