Home / 16,405.14-22,640.76-9,692.94

Finding the Fourth Proportional to 16,405.14, 22,640.76 and 9,692.94

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Solution

The fourth proportional to 16,405.14, 22,640.76 and 9,692.94 is: 13,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.14 : 22,640.76 = 9,692.94 : x
  2. Step 2: Convert to fraction form
    16,405.14/22,640.76 = 9,692.94/x
  3. Step 3: Cross multiply
    16,405.14x = 22,640.76 × 9,692.94
  4. Step 4: Simplify right side
    16,405.14x = 219,455,528.23
  5. Step 5: Solve for x
    x = 219,455,528.23/16,405.14
  6. Step 6: Final answer
    x = 13,377.24

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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.