Home / 20,075.63-27,707.40-11,692.13

Finding the Fourth Proportional to 20,075.63, 27,707.40 and 11,692.13

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Solution

The fourth proportional to 20,075.63, 27,707.40 and 11,692.13 is: 16,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.63 : 27,707.40 = 11,692.13 : x
  2. Step 2: Convert to fraction form
    20,075.63/27,707.40 = 11,692.13/x
  3. Step 3: Cross multiply
    20,075.63x = 27,707.40 × 11,692.13
  4. Step 4: Simplify right side
    20,075.63x = 323,958,384.23
  5. Step 5: Solve for x
    x = 323,958,384.23/20,075.63
  6. Step 6: Final answer
    x = 16,136.90

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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.