Home / 18,540.18-25,534.10-16,021.46

Finding the Fourth Proportional to 18,540.18, 25,534.10 and 16,021.46

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Solution

The fourth proportional to 18,540.18, 25,534.10 and 16,021.46 is: 22,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.18 : 25,534.10 = 16,021.46 : x
  2. Step 2: Convert to fraction form
    18,540.18/25,534.10 = 16,021.46/x
  3. Step 3: Cross multiply
    18,540.18x = 25,534.10 × 16,021.46
  4. Step 4: Simplify right side
    18,540.18x = 409,093,561.79
  5. Step 5: Solve for x
    x = 409,093,561.79/18,540.18
  6. Step 6: Final answer
    x = 22,065.24

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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.