Home / 14,826.85-20,461.11-8,112.45

Finding the Fourth Proportional to 14,826.85, 20,461.11 and 8,112.45

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Solution

The fourth proportional to 14,826.85, 20,461.11 and 8,112.45 is: 11,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.85 : 20,461.11 = 8,112.45 : x
  2. Step 2: Convert to fraction form
    14,826.85/20,461.11 = 8,112.45/x
  3. Step 3: Cross multiply
    14,826.85x = 20,461.11 × 8,112.45
  4. Step 4: Simplify right side
    14,826.85x = 165,989,778.13
  5. Step 5: Solve for x
    x = 165,989,778.13/14,826.85
  6. Step 6: Final answer
    x = 11,195.22

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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.