Home / 22,075.12-33,145.08-13,790.44

Finding the Fourth Proportional to 22,075.12, 33,145.08 and 13,790.44

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Solution

The fourth proportional to 22,075.12, 33,145.08 and 13,790.44 is: 20,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.12 : 33,145.08 = 13,790.44 : x
  2. Step 2: Convert to fraction form
    22,075.12/33,145.08 = 13,790.44/x
  3. Step 3: Cross multiply
    22,075.12x = 33,145.08 × 13,790.44
  4. Step 4: Simplify right side
    22,075.12x = 457,085,237.04
  5. Step 5: Solve for x
    x = 457,085,237.04/22,075.12
  6. Step 6: Final answer
    x = 20,705.90

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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.