Home / 16,959.15-23,379.05-11,907.99

Finding the Fourth Proportional to 16,959.15, 23,379.05 and 11,907.99

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Solution

The fourth proportional to 16,959.15, 23,379.05 and 11,907.99 is: 16,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.15 : 23,379.05 = 11,907.99 : x
  2. Step 2: Convert to fraction form
    16,959.15/23,379.05 = 11,907.99/x
  3. Step 3: Cross multiply
    16,959.15x = 23,379.05 × 11,907.99
  4. Step 4: Simplify right side
    16,959.15x = 278,397,434.07
  5. Step 5: Solve for x
    x = 278,397,434.07/16,959.15
  6. Step 6: Final answer
    x = 16,415.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.