Home / 14,548.06-20,075.43-8,579.98

Finding the Fourth Proportional to 14,548.06, 20,075.43 and 8,579.98

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Solution

The fourth proportional to 14,548.06, 20,075.43 and 8,579.98 is: 11,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.06 : 20,075.43 = 8,579.98 : x
  2. Step 2: Convert to fraction form
    14,548.06/20,075.43 = 8,579.98/x
  3. Step 3: Cross multiply
    14,548.06x = 20,075.43 × 8,579.98
  4. Step 4: Simplify right side
    14,548.06x = 172,246,787.89
  5. Step 5: Solve for x
    x = 172,246,787.89/14,548.06
  6. Step 6: Final answer
    x = 11,839.85

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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.