Home / 18,361.20-25,337.64-10,404.24

Finding the Fourth Proportional to 18,361.20, 25,337.64 and 10,404.24

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Solution

The fourth proportional to 18,361.20, 25,337.64 and 10,404.24 is: 14,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.20 : 25,337.64 = 10,404.24 : x
  2. Step 2: Convert to fraction form
    18,361.20/25,337.64 = 10,404.24/x
  3. Step 3: Cross multiply
    18,361.20x = 25,337.64 × 10,404.24
  4. Step 4: Simplify right side
    18,361.20x = 263,618,887.59
  5. Step 5: Solve for x
    x = 263,618,887.59/18,361.20
  6. Step 6: Final answer
    x = 14,357.39

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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.