Home / 13,861.88-19,145.34-10,101.86

Finding the Fourth Proportional to 13,861.88, 19,145.34 and 10,101.86

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Solution

The fourth proportional to 13,861.88, 19,145.34 and 10,101.86 is: 13,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.88 : 19,145.34 = 10,101.86 : x
  2. Step 2: Convert to fraction form
    13,861.88/19,145.34 = 10,101.86/x
  3. Step 3: Cross multiply
    13,861.88x = 19,145.34 × 10,101.86
  4. Step 4: Simplify right side
    13,861.88x = 193,403,544.33
  5. Step 5: Solve for x
    x = 193,403,544.33/13,861.88
  6. Step 6: Final answer
    x = 13,952.19

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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.