Home / 14,563.80-20,100.66-8,595.12

Finding the Fourth Proportional to 14,563.80, 20,100.66 and 8,595.12

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Solution

The fourth proportional to 14,563.80, 20,100.66 and 8,595.12 is: 11,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.80 : 20,100.66 = 8,595.12 : x
  2. Step 2: Convert to fraction form
    14,563.80/20,100.66 = 8,595.12/x
  3. Step 3: Cross multiply
    14,563.80x = 20,100.66 × 8,595.12
  4. Step 4: Simplify right side
    14,563.80x = 172,767,584.78
  5. Step 5: Solve for x
    x = 172,767,584.78/14,563.80
  6. Step 6: Final answer
    x = 11,862.81

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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.