Home / 14,180.43-19,563.60-8,209.11

Finding the Fourth Proportional to 14,180.43, 19,563.60 and 8,209.11

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Solution

The fourth proportional to 14,180.43, 19,563.60 and 8,209.11 is: 11,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.43 : 19,563.60 = 8,209.11 : x
  2. Step 2: Convert to fraction form
    14,180.43/19,563.60 = 8,209.11/x
  3. Step 3: Cross multiply
    14,180.43x = 19,563.60 × 8,209.11
  4. Step 4: Simplify right side
    14,180.43x = 160,599,744.40
  5. Step 5: Solve for x
    x = 160,599,744.40/14,180.43
  6. Step 6: Final answer
    x = 11,325.45

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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.