Home / 18,448.12-25,281.17-16,676.76

Finding the Fourth Proportional to 18,448.12, 25,281.17 and 16,676.76

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Solution

The fourth proportional to 18,448.12, 25,281.17 and 16,676.76 is: 22,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.12 : 25,281.17 = 16,676.76 : x
  2. Step 2: Convert to fraction form
    18,448.12/25,281.17 = 16,676.76/x
  3. Step 3: Cross multiply
    18,448.12x = 25,281.17 × 16,676.76
  4. Step 4: Simplify right side
    18,448.12x = 421,608,004.61
  5. Step 5: Solve for x
    x = 421,608,004.61/18,448.12
  6. Step 6: Final answer
    x = 22,853.71

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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.