Home / 12,475.55-18,714.09-5,075.95

Finding the Fourth Proportional to 12,475.55, 18,714.09 and 5,075.95

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Solution

The fourth proportional to 12,475.55, 18,714.09 and 5,075.95 is: 7,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.55 : 18,714.09 = 5,075.95 : x
  2. Step 2: Convert to fraction form
    12,475.55/18,714.09 = 5,075.95/x
  3. Step 3: Cross multiply
    12,475.55x = 18,714.09 × 5,075.95
  4. Step 4: Simplify right side
    12,475.55x = 94,991,785.14
  5. Step 5: Solve for x
    x = 94,991,785.14/12,475.55
  6. Step 6: Final answer
    x = 7,614.24

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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.