Home / 15,180.12-22,772.61-6,415.12

Finding the Fourth Proportional to 15,180.12, 22,772.61 and 6,415.12

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Solution

The fourth proportional to 15,180.12, 22,772.61 and 6,415.12 is: 9,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.12 : 22,772.61 = 6,415.12 : x
  2. Step 2: Convert to fraction form
    15,180.12/22,772.61 = 6,415.12/x
  3. Step 3: Cross multiply
    15,180.12x = 22,772.61 × 6,415.12
  4. Step 4: Simplify right side
    15,180.12x = 146,089,025.86
  5. Step 5: Solve for x
    x = 146,089,025.86/15,180.12
  6. Step 6: Final answer
    x = 9,623.71

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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.