Home / 20,594.85-28,419.77-11,641.81

Finding the Fourth Proportional to 20,594.85, 28,419.77 and 11,641.81

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Solution

The fourth proportional to 20,594.85, 28,419.77 and 11,641.81 is: 16,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.85 : 28,419.77 = 11,641.81 : x
  2. Step 2: Convert to fraction form
    20,594.85/28,419.77 = 11,641.81/x
  3. Step 3: Cross multiply
    20,594.85x = 28,419.77 × 11,641.81
  4. Step 4: Simplify right side
    20,594.85x = 330,857,562.58
  5. Step 5: Solve for x
    x = 330,857,562.58/20,594.85
  6. Step 6: Final answer
    x = 16,065.06

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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.