Home / 18,357.36-25,337.24-10,403.97

Finding the Fourth Proportional to 18,357.36, 25,337.24 and 10,403.97

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Solution

The fourth proportional to 18,357.36, 25,337.24 and 10,403.97 is: 14,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.36 : 25,337.24 = 10,403.97 : x
  2. Step 2: Convert to fraction form
    18,357.36/25,337.24 = 10,403.97/x
  3. Step 3: Cross multiply
    18,357.36x = 25,337.24 × 10,403.97
  4. Step 4: Simplify right side
    18,357.36x = 263,607,884.84
  5. Step 5: Solve for x
    x = 263,607,884.84/18,357.36
  6. Step 6: Final answer
    x = 14,359.79

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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.