Home / 14,893.47-20,554.62-8,520.65

Finding the Fourth Proportional to 14,893.47, 20,554.62 and 8,520.65

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Solution

The fourth proportional to 14,893.47, 20,554.62 and 8,520.65 is: 11,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.47 : 20,554.62 = 8,520.65 : x
  2. Step 2: Convert to fraction form
    14,893.47/20,554.62 = 8,520.65/x
  3. Step 3: Cross multiply
    14,893.47x = 20,554.62 × 8,520.65
  4. Step 4: Simplify right side
    14,893.47x = 175,138,620.13
  5. Step 5: Solve for x
    x = 175,138,620.13/14,893.47
  6. Step 6: Final answer
    x = 11,759.42

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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.