Home / 14,720.28-22,080.68-4,190.57

Finding the Fourth Proportional to 14,720.28, 22,080.68 and 4,190.57

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Solution

The fourth proportional to 14,720.28, 22,080.68 and 4,190.57 is: 6,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.28 : 22,080.68 = 4,190.57 : x
  2. Step 2: Convert to fraction form
    14,720.28/22,080.68 = 4,190.57/x
  3. Step 3: Cross multiply
    14,720.28x = 22,080.68 × 4,190.57
  4. Step 4: Simplify right side
    14,720.28x = 92,530,635.19
  5. Step 5: Solve for x
    x = 92,530,635.19/14,720.28
  6. Step 6: Final answer
    x = 6,285.93

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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.