Home / 14,100.55-21,150.88-3,570.57

Finding the Fourth Proportional to 14,100.55, 21,150.88 and 3,570.57

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Solution

The fourth proportional to 14,100.55, 21,150.88 and 3,570.57 is: 5,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.55 : 21,150.88 = 3,570.57 : x
  2. Step 2: Convert to fraction form
    14,100.55/21,150.88 = 3,570.57/x
  3. Step 3: Cross multiply
    14,100.55x = 21,150.88 × 3,570.57
  4. Step 4: Simplify right side
    14,100.55x = 75,520,662.24
  5. Step 5: Solve for x
    x = 75,520,662.24/14,100.55
  6. Step 6: Final answer
    x = 5,355.86

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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.