Home / 20,582.10-30,873.06-4,999.77

Finding the Fourth Proportional to 20,582.10, 30,873.06 and 4,999.77

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Solution

The fourth proportional to 20,582.10, 30,873.06 and 4,999.77 is: 7,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.10 : 30,873.06 = 4,999.77 : x
  2. Step 2: Convert to fraction form
    20,582.10/30,873.06 = 4,999.77/x
  3. Step 3: Cross multiply
    20,582.10x = 30,873.06 × 4,999.77
  4. Step 4: Simplify right side
    20,582.10x = 154,358,199.20
  5. Step 5: Solve for x
    x = 154,358,199.20/20,582.10
  6. Step 6: Final answer
    x = 7,499.63

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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.