Home / 14,553.82-20,075.52-8,885.98

Finding the Fourth Proportional to 14,553.82, 20,075.52 and 8,885.98

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Solution

The fourth proportional to 14,553.82, 20,075.52 and 8,885.98 is: 12,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.82 : 20,075.52 = 8,885.98 : x
  2. Step 2: Convert to fraction form
    14,553.82/20,075.52 = 8,885.98/x
  3. Step 3: Cross multiply
    14,553.82x = 20,075.52 × 8,885.98
  4. Step 4: Simplify right side
    14,553.82x = 178,390,669.21
  5. Step 5: Solve for x
    x = 178,390,669.21/14,553.82
  6. Step 6: Final answer
    x = 12,257.31

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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.