Home / 18,296.15-25,247.37-10,742.79

Finding the Fourth Proportional to 18,296.15, 25,247.37 and 10,742.79

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Solution

The fourth proportional to 18,296.15, 25,247.37 and 10,742.79 is: 14,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.15 : 25,247.37 = 10,742.79 : x
  2. Step 2: Convert to fraction form
    18,296.15/25,247.37 = 10,742.79/x
  3. Step 3: Cross multiply
    18,296.15x = 25,247.37 × 10,742.79
  4. Step 4: Simplify right side
    18,296.15x = 271,227,193.96
  5. Step 5: Solve for x
    x = 271,227,193.96/18,296.15
  6. Step 6: Final answer
    x = 14,824.28

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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.