Home / 14,980.38-20,673.59-8,609.03

Finding the Fourth Proportional to 14,980.38, 20,673.59 and 8,609.03

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Solution

The fourth proportional to 14,980.38, 20,673.59 and 8,609.03 is: 11,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.38 : 20,673.59 = 8,609.03 : x
  2. Step 2: Convert to fraction form
    14,980.38/20,673.59 = 8,609.03/x
  3. Step 3: Cross multiply
    14,980.38x = 20,673.59 × 8,609.03
  4. Step 4: Simplify right side
    14,980.38x = 177,979,410.10
  5. Step 5: Solve for x
    x = 177,979,410.10/14,980.38
  6. Step 6: Final answer
    x = 11,880.83

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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.