Home / 13,912.57-19,200.25-7,624.94

Finding the Fourth Proportional to 13,912.57, 19,200.25 and 7,624.94

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Solution

The fourth proportional to 13,912.57, 19,200.25 and 7,624.94 is: 10,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.57 : 19,200.25 = 7,624.94 : x
  2. Step 2: Convert to fraction form
    13,912.57/19,200.25 = 7,624.94/x
  3. Step 3: Cross multiply
    13,912.57x = 19,200.25 × 7,624.94
  4. Step 4: Simplify right side
    13,912.57x = 146,400,754.24
  5. Step 5: Solve for x
    x = 146,400,754.24/13,912.57
  6. Step 6: Final answer
    x = 10,522.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.