Home / 13,141.24-18,141.60-10,150.36

Finding the Fourth Proportional to 13,141.24, 18,141.60 and 10,150.36

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Solution

The fourth proportional to 13,141.24, 18,141.60 and 10,150.36 is: 14,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.24 : 18,141.60 = 10,150.36 : x
  2. Step 2: Convert to fraction form
    13,141.24/18,141.60 = 10,150.36/x
  3. Step 3: Cross multiply
    13,141.24x = 18,141.60 × 10,150.36
  4. Step 4: Simplify right side
    13,141.24x = 184,143,770.98
  5. Step 5: Solve for x
    x = 184,143,770.98/13,141.24
  6. Step 6: Final answer
    x = 14,012.66

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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.