Home / 20,004.30-29,997.81-8,309.52

Finding the Fourth Proportional to 20,004.30, 29,997.81 and 8,309.52

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Solution

The fourth proportional to 20,004.30, 29,997.81 and 8,309.52 is: 12,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.30 : 29,997.81 = 8,309.52 : x
  2. Step 2: Convert to fraction form
    20,004.30/29,997.81 = 8,309.52/x
  3. Step 3: Cross multiply
    20,004.30x = 29,997.81 × 8,309.52
  4. Step 4: Simplify right side
    20,004.30x = 249,267,402.15
  5. Step 5: Solve for x
    x = 249,267,402.15/20,004.30
  6. Step 6: Final answer
    x = 12,460.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.