Home / 13,910.53-19,186.36-10,134.85

Finding the Fourth Proportional to 13,910.53, 19,186.36 and 10,134.85

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Solution

The fourth proportional to 13,910.53, 19,186.36 and 10,134.85 is: 13,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.53 : 19,186.36 = 10,134.85 : x
  2. Step 2: Convert to fraction form
    13,910.53/19,186.36 = 10,134.85/x
  3. Step 3: Cross multiply
    13,910.53x = 19,186.36 × 10,134.85
  4. Step 4: Simplify right side
    13,910.53x = 194,450,880.65
  5. Step 5: Solve for x
    x = 194,450,880.65/13,910.53
  6. Step 6: Final answer
    x = 13,978.68

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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.