Home / 14,150.12-21,227.47-4,790.70

Finding the Fourth Proportional to 14,150.12, 21,227.47 and 4,790.70

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Solution

The fourth proportional to 14,150.12, 21,227.47 and 4,790.70 is: 7,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.12 : 21,227.47 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    14,150.12/21,227.47 = 4,790.70/x
  3. Step 3: Cross multiply
    14,150.12x = 21,227.47 × 4,790.70
  4. Step 4: Simplify right side
    14,150.12x = 101,694,428.55
  5. Step 5: Solve for x
    x = 101,694,428.55/14,150.12
  6. Step 6: Final answer
    x = 7,186.83

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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.