Home / 20,550.44-28,359.54-11,597.91

Finding the Fourth Proportional to 20,550.44, 28,359.54 and 11,597.91

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Solution

The fourth proportional to 20,550.44, 28,359.54 and 11,597.91 is: 16,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.44 : 28,359.54 = 11,597.91 : x
  2. Step 2: Convert to fraction form
    20,550.44/28,359.54 = 11,597.91/x
  3. Step 3: Cross multiply
    20,550.44x = 28,359.54 × 11,597.91
  4. Step 4: Simplify right side
    20,550.44x = 328,911,392.56
  5. Step 5: Solve for x
    x = 328,911,392.56/20,550.44
  6. Step 6: Final answer
    x = 16,005.08

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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.