Home / 15,192.24-20,965.22-8,477.47

Finding the Fourth Proportional to 15,192.24, 20,965.22 and 8,477.47

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Solution

The fourth proportional to 15,192.24, 20,965.22 and 8,477.47 is: 11,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.24 : 20,965.22 = 8,477.47 : x
  2. Step 2: Convert to fraction form
    15,192.24/20,965.22 = 8,477.47/x
  3. Step 3: Cross multiply
    15,192.24x = 20,965.22 × 8,477.47
  4. Step 4: Simplify right side
    15,192.24x = 177,732,023.59
  5. Step 5: Solve for x
    x = 177,732,023.59/15,192.24
  6. Step 6: Final answer
    x = 11,698.87

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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.