Home / 14,255.97-19,671.09-8,589.58

Finding the Fourth Proportional to 14,255.97, 19,671.09 and 8,589.58

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Solution

The fourth proportional to 14,255.97, 19,671.09 and 8,589.58 is: 11,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.97 : 19,671.09 = 8,589.58 : x
  2. Step 2: Convert to fraction form
    14,255.97/19,671.09 = 8,589.58/x
  3. Step 3: Cross multiply
    14,255.97x = 19,671.09 × 8,589.58
  4. Step 4: Simplify right side
    14,255.97x = 168,966,319.85
  5. Step 5: Solve for x
    x = 168,966,319.85/14,255.97
  6. Step 6: Final answer
    x = 11,852.32

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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.