Home / 25,274.76-34,879.83-13,944.40

Finding the Fourth Proportional to 25,274.76, 34,879.83 and 13,944.40

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Solution

The fourth proportional to 25,274.76, 34,879.83 and 13,944.40 is: 19,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.76 : 34,879.83 = 13,944.40 : x
  2. Step 2: Convert to fraction form
    25,274.76/34,879.83 = 13,944.40/x
  3. Step 3: Cross multiply
    25,274.76x = 34,879.83 × 13,944.40
  4. Step 4: Simplify right side
    25,274.76x = 486,378,318.88
  5. Step 5: Solve for x
    x = 486,378,318.88/25,274.76
  6. Step 6: Final answer
    x = 19,243.64

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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.