Home / 18,544.48-25,577.43-12,879.24

Finding the Fourth Proportional to 18,544.48, 25,577.43 and 12,879.24

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Solution

The fourth proportional to 18,544.48, 25,577.43 and 12,879.24 is: 17,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.48 : 25,577.43 = 12,879.24 : x
  2. Step 2: Convert to fraction form
    18,544.48/25,577.43 = 12,879.24/x
  3. Step 3: Cross multiply
    18,544.48x = 25,577.43 × 12,879.24
  4. Step 4: Simplify right side
    18,544.48x = 329,417,859.55
  5. Step 5: Solve for x
    x = 329,417,859.55/18,544.48
  6. Step 6: Final answer
    x = 17,763.66

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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.