Home / 16,979.11-25,465.87-4,499.91

Finding the Fourth Proportional to 16,979.11, 25,465.87 and 4,499.91

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Solution

The fourth proportional to 16,979.11, 25,465.87 and 4,499.91 is: 6,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.11 : 25,465.87 = 4,499.91 : x
  2. Step 2: Convert to fraction form
    16,979.11/25,465.87 = 4,499.91/x
  3. Step 3: Cross multiply
    16,979.11x = 25,465.87 × 4,499.91
  4. Step 4: Simplify right side
    16,979.11x = 114,594,123.07
  5. Step 5: Solve for x
    x = 114,594,123.07/16,979.11
  6. Step 6: Final answer
    x = 6,749.12

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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.