Home / 16,961.13-25,442.37-6,430.05

Finding the Fourth Proportional to 16,961.13, 25,442.37 and 6,430.05

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Solution

The fourth proportional to 16,961.13, 25,442.37 and 6,430.05 is: 9,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.13 : 25,442.37 = 6,430.05 : x
  2. Step 2: Convert to fraction form
    16,961.13/25,442.37 = 6,430.05/x
  3. Step 3: Cross multiply
    16,961.13x = 25,442.37 × 6,430.05
  4. Step 4: Simplify right side
    16,961.13x = 163,595,711.22
  5. Step 5: Solve for x
    x = 163,595,711.22/16,961.13
  6. Step 6: Final answer
    x = 9,645.33

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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.