Home / 20,068.04-27,692.16-12,107.36

Finding the Fourth Proportional to 20,068.04, 27,692.16 and 12,107.36

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Solution

The fourth proportional to 20,068.04, 27,692.16 and 12,107.36 is: 16,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.04 : 27,692.16 = 12,107.36 : x
  2. Step 2: Convert to fraction form
    20,068.04/27,692.16 = 12,107.36/x
  3. Step 3: Cross multiply
    20,068.04x = 27,692.16 × 12,107.36
  4. Step 4: Simplify right side
    20,068.04x = 335,278,950.30
  5. Step 5: Solve for x
    x = 335,278,950.30/20,068.04
  6. Step 6: Final answer
    x = 16,707.11

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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.