Home / 18,218.09-24,977.10-17,885.99

Finding the Fourth Proportional to 18,218.09, 24,977.10 and 17,885.99

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Solution

The fourth proportional to 18,218.09, 24,977.10 and 17,885.99 is: 24,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.09 : 24,977.10 = 17,885.99 : x
  2. Step 2: Convert to fraction form
    18,218.09/24,977.10 = 17,885.99/x
  3. Step 3: Cross multiply
    18,218.09x = 24,977.10 × 17,885.99
  4. Step 4: Simplify right side
    18,218.09x = 446,740,290.34
  5. Step 5: Solve for x
    x = 446,740,290.34/18,218.09
  6. Step 6: Final answer
    x = 24,521.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.