Home / 25,530.39-38,310.17-9,944.37

Finding the Fourth Proportional to 25,530.39, 38,310.17 and 9,944.37

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Solution

The fourth proportional to 25,530.39, 38,310.17 and 9,944.37 is: 14,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.39 : 38,310.17 = 9,944.37 : x
  2. Step 2: Convert to fraction form
    25,530.39/38,310.17 = 9,944.37/x
  3. Step 3: Cross multiply
    25,530.39x = 38,310.17 × 9,944.37
  4. Step 4: Simplify right side
    25,530.39x = 380,970,455.52
  5. Step 5: Solve for x
    x = 380,970,455.52/25,530.39
  6. Step 6: Final answer
    x = 14,922.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.