Home / 14,827.05-20,461.16-8,112.60

Finding the Fourth Proportional to 14,827.05, 20,461.16 and 8,112.60

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Solution

The fourth proportional to 14,827.05, 20,461.16 and 8,112.60 is: 11,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.05 : 20,461.16 = 8,112.60 : x
  2. Step 2: Convert to fraction form
    14,827.05/20,461.16 = 8,112.60/x
  3. Step 3: Cross multiply
    14,827.05x = 20,461.16 × 8,112.60
  4. Step 4: Simplify right side
    14,827.05x = 165,993,166.05
  5. Step 5: Solve for x
    x = 165,993,166.05/14,827.05
  6. Step 6: Final answer
    x = 11,195.29

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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.