Home / 20,582.36-30,873.56-4,999.98

Finding the Fourth Proportional to 20,582.36, 30,873.56 and 4,999.98

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Solution

The fourth proportional to 20,582.36, 30,873.56 and 4,999.98 is: 7,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.36 : 30,873.56 = 4,999.98 : x
  2. Step 2: Convert to fraction form
    20,582.36/30,873.56 = 4,999.98/x
  3. Step 3: Cross multiply
    20,582.36x = 30,873.56 × 4,999.98
  4. Step 4: Simplify right side
    20,582.36x = 154,367,157.53
  5. Step 5: Solve for x
    x = 154,367,157.53/20,582.36
  6. Step 6: Final answer
    x = 7,499.98

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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.