Home / 20,544.51-28,351.20-11,594.91

Finding the Fourth Proportional to 20,544.51, 28,351.20 and 11,594.91

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Solution

The fourth proportional to 20,544.51, 28,351.20 and 11,594.91 is: 16,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.51 : 28,351.20 = 11,594.91 : x
  2. Step 2: Convert to fraction form
    20,544.51/28,351.20 = 11,594.91/x
  3. Step 3: Cross multiply
    20,544.51x = 28,351.20 × 11,594.91
  4. Step 4: Simplify right side
    20,544.51x = 328,729,612.39
  5. Step 5: Solve for x
    x = 328,729,612.39/20,544.51
  6. Step 6: Final answer
    x = 16,000.85

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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.