Home / 16,090.20-24,128.10-7,320.60

Finding the Fourth Proportional to 16,090.20, 24,128.10 and 7,320.60

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Solution

The fourth proportional to 16,090.20, 24,128.10 and 7,320.60 is: 10,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.20 : 24,128.10 = 7,320.60 : x
  2. Step 2: Convert to fraction form
    16,090.20/24,128.10 = 7,320.60/x
  3. Step 3: Cross multiply
    16,090.20x = 24,128.10 × 7,320.60
  4. Step 4: Simplify right side
    16,090.20x = 176,632,168.86
  5. Step 5: Solve for x
    x = 176,632,168.86/16,090.20
  6. Step 6: Final answer
    x = 10,977.62

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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.