Home / 20,582.02-30,873.12-4,999.64

Finding the Fourth Proportional to 20,582.02, 30,873.12 and 4,999.64

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Solution

The fourth proportional to 20,582.02, 30,873.12 and 4,999.64 is: 7,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.02 : 30,873.12 = 4,999.64 : x
  2. Step 2: Convert to fraction form
    20,582.02/30,873.12 = 4,999.64/x
  3. Step 3: Cross multiply
    20,582.02x = 30,873.12 × 4,999.64
  4. Step 4: Simplify right side
    20,582.02x = 154,354,485.68
  5. Step 5: Solve for x
    x = 154,354,485.68/20,582.02
  6. Step 6: Final answer
    x = 7,499.48

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Double scale
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Similar ratio
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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.