Home / 23,149.19-31,944.22-13,589.47

Finding the Fourth Proportional to 23,149.19, 31,944.22 and 13,589.47

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Solution

The fourth proportional to 23,149.19, 31,944.22 and 13,589.47 is: 18,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.19 : 31,944.22 = 13,589.47 : x
  2. Step 2: Convert to fraction form
    23,149.19/31,944.22 = 13,589.47/x
  3. Step 3: Cross multiply
    23,149.19x = 31,944.22 × 13,589.47
  4. Step 4: Simplify right side
    23,149.19x = 434,104,859.64
  5. Step 5: Solve for x
    x = 434,104,859.64/23,149.19
  6. Step 6: Final answer
    x = 18,752.49

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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.