Home / 16,942.66-23,378.83-9,774.91

Finding the Fourth Proportional to 16,942.66, 23,378.83 and 9,774.91

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Solution

The fourth proportional to 16,942.66, 23,378.83 and 9,774.91 is: 13,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.66 : 23,378.83 = 9,774.91 : x
  2. Step 2: Convert to fraction form
    16,942.66/23,378.83 = 9,774.91/x
  3. Step 3: Cross multiply
    16,942.66x = 23,378.83 × 9,774.91
  4. Step 4: Simplify right side
    16,942.66x = 228,525,963.94
  5. Step 5: Solve for x
    x = 228,525,963.94/16,942.66
  6. Step 6: Final answer
    x = 13,488.20

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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.