Home / 18,367.26-25,346.70-9,983.76

Finding the Fourth Proportional to 18,367.26, 25,346.70 and 9,983.76

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Solution

The fourth proportional to 18,367.26, 25,346.70 and 9,983.76 is: 13,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.26 : 25,346.70 = 9,983.76 : x
  2. Step 2: Convert to fraction form
    18,367.26/25,346.70 = 9,983.76/x
  3. Step 3: Cross multiply
    18,367.26x = 25,346.70 × 9,983.76
  4. Step 4: Simplify right side
    18,367.26x = 253,055,369.59
  5. Step 5: Solve for x
    x = 253,055,369.59/18,367.26
  6. Step 6: Final answer
    x = 13,777.52

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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.