Home / 18,317.58-27,311.76-16,753.68

Finding the Fourth Proportional to 18,317.58, 27,311.76 and 16,753.68

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Solution

The fourth proportional to 18,317.58, 27,311.76 and 16,753.68 is: 24,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.58 : 27,311.76 = 16,753.68 : x
  2. Step 2: Convert to fraction form
    18,317.58/27,311.76 = 16,753.68/x
  3. Step 3: Cross multiply
    18,317.58x = 27,311.76 × 16,753.68
  4. Step 4: Simplify right side
    18,317.58x = 457,572,597.44
  5. Step 5: Solve for x
    x = 457,572,597.44/18,317.58
  6. Step 6: Final answer
    x = 24,979.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.