Home / 15,180.24-20,950.56-8,892.48

Finding the Fourth Proportional to 15,180.24, 20,950.56 and 8,892.48

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Solution

The fourth proportional to 15,180.24, 20,950.56 and 8,892.48 is: 12,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.24 : 20,950.56 = 8,892.48 : x
  2. Step 2: Convert to fraction form
    15,180.24/20,950.56 = 8,892.48/x
  3. Step 3: Cross multiply
    15,180.24x = 20,950.56 × 8,892.48
  4. Step 4: Simplify right side
    15,180.24x = 186,302,435.79
  5. Step 5: Solve for x
    x = 186,302,435.79/15,180.24
  6. Step 6: Final answer
    x = 12,272.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.