Home / 20,594.16-28,423.68-11,641.64

Finding the Fourth Proportional to 20,594.16, 28,423.68 and 11,641.64

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Solution

The fourth proportional to 20,594.16, 28,423.68 and 11,641.64 is: 16,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.16 : 28,423.68 = 11,641.64 : x
  2. Step 2: Convert to fraction form
    20,594.16/28,423.68 = 11,641.64/x
  3. Step 3: Cross multiply
    20,594.16x = 28,423.68 × 11,641.64
  4. Step 4: Simplify right side
    20,594.16x = 330,898,107.92
  5. Step 5: Solve for x
    x = 330,898,107.92/20,594.16
  6. Step 6: Final answer
    x = 16,067.57

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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.