Home / 15,582.20-23,366.10-6,812.60

Finding the Fourth Proportional to 15,582.20, 23,366.10 and 6,812.60

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Solution

The fourth proportional to 15,582.20, 23,366.10 and 6,812.60 is: 10,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.20 : 23,366.10 = 6,812.60 : x
  2. Step 2: Convert to fraction form
    15,582.20/23,366.10 = 6,812.60/x
  3. Step 3: Cross multiply
    15,582.20x = 23,366.10 × 6,812.60
  4. Step 4: Simplify right side
    15,582.20x = 159,183,892.86
  5. Step 5: Solve for x
    x = 159,183,892.86/15,582.20
  6. Step 6: Final answer
    x = 10,215.75

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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.