Home / 18,090.42-24,939.09-13,301.94

Finding the Fourth Proportional to 18,090.42, 24,939.09 and 13,301.94

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Solution

The fourth proportional to 18,090.42, 24,939.09 and 13,301.94 is: 18,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.42 : 24,939.09 = 13,301.94 : x
  2. Step 2: Convert to fraction form
    18,090.42/24,939.09 = 13,301.94/x
  3. Step 3: Cross multiply
    18,090.42x = 24,939.09 × 13,301.94
  4. Step 4: Simplify right side
    18,090.42x = 331,738,278.83
  5. Step 5: Solve for x
    x = 331,738,278.83/18,090.42
  6. Step 6: Final answer
    x = 18,337.79

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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.