Home / 20,148.24-27,802.94-11,650.92

Finding the Fourth Proportional to 20,148.24, 27,802.94 and 11,650.92

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Solution

The fourth proportional to 20,148.24, 27,802.94 and 11,650.92 is: 16,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.24 : 27,802.94 = 11,650.92 : x
  2. Step 2: Convert to fraction form
    20,148.24/27,802.94 = 11,650.92/x
  3. Step 3: Cross multiply
    20,148.24x = 27,802.94 × 11,650.92
  4. Step 4: Simplify right side
    20,148.24x = 323,929,690.69
  5. Step 5: Solve for x
    x = 323,929,690.69/20,148.24
  6. Step 6: Final answer
    x = 16,077.32

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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.