Home / 16,540.20-24,810.30-11,291.40

Finding the Fourth Proportional to 16,540.20, 24,810.30 and 11,291.40

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Solution

The fourth proportional to 16,540.20, 24,810.30 and 11,291.40 is: 16,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.20 : 24,810.30 = 11,291.40 : x
  2. Step 2: Convert to fraction form
    16,540.20/24,810.30 = 11,291.40/x
  3. Step 3: Cross multiply
    16,540.20x = 24,810.30 × 11,291.40
  4. Step 4: Simplify right side
    16,540.20x = 280,143,021.42
  5. Step 5: Solve for x
    x = 280,143,021.42/16,540.20
  6. Step 6: Final answer
    x = 16,937.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.