Home / 18,162.64-27,247.20-7,075.36

Finding the Fourth Proportional to 18,162.64, 27,247.20 and 7,075.36

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Solution

The fourth proportional to 18,162.64, 27,247.20 and 7,075.36 is: 10,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.64 : 27,247.20 = 7,075.36 : x
  2. Step 2: Convert to fraction form
    18,162.64/27,247.20 = 7,075.36/x
  3. Step 3: Cross multiply
    18,162.64x = 27,247.20 × 7,075.36
  4. Step 4: Simplify right side
    18,162.64x = 192,783,748.99
  5. Step 5: Solve for x
    x = 192,783,748.99/18,162.64
  6. Step 6: Final answer
    x = 10,614.30

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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.