Home / 16,866.30-25,279.74-12,692.94

Finding the Fourth Proportional to 16,866.30, 25,279.74 and 12,692.94

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Solution

The fourth proportional to 16,866.30, 25,279.74 and 12,692.94 is: 19,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.30 : 25,279.74 = 12,692.94 : x
  2. Step 2: Convert to fraction form
    16,866.30/25,279.74 = 12,692.94/x
  3. Step 3: Cross multiply
    16,866.30x = 25,279.74 × 12,692.94
  4. Step 4: Simplify right side
    16,866.30x = 320,874,223.04
  5. Step 5: Solve for x
    x = 320,874,223.04/16,866.30
  6. Step 6: Final answer
    x = 19,024.58

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1.5x scale

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.