Home / 14,822.85-20,454.77-8,107.17

Finding the Fourth Proportional to 14,822.85, 20,454.77 and 8,107.17

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Solution

The fourth proportional to 14,822.85, 20,454.77 and 8,107.17 is: 11,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.85 : 20,454.77 = 8,107.17 : x
  2. Step 2: Convert to fraction form
    14,822.85/20,454.77 = 8,107.17/x
  3. Step 3: Cross multiply
    14,822.85x = 20,454.77 × 8,107.17
  4. Step 4: Simplify right side
    14,822.85x = 165,830,297.70
  5. Step 5: Solve for x
    x = 165,830,297.70/14,822.85
  6. Step 6: Final answer
    x = 11,187.48

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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.