Home / 14,584.97-20,128.77-8,923.49

Finding the Fourth Proportional to 14,584.97, 20,128.77 and 8,923.49

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Solution

The fourth proportional to 14,584.97, 20,128.77 and 8,923.49 is: 12,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.97 : 20,128.77 = 8,923.49 : x
  2. Step 2: Convert to fraction form
    14,584.97/20,128.77 = 8,923.49/x
  3. Step 3: Cross multiply
    14,584.97x = 20,128.77 × 8,923.49
  4. Step 4: Simplify right side
    14,584.97x = 179,618,877.81
  5. Step 5: Solve for x
    x = 179,618,877.81/14,584.97
  6. Step 6: Final answer
    x = 12,315.34

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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.