Home / 20,594.22-28,419.71-11,641.41

Finding the Fourth Proportional to 20,594.22, 28,419.71 and 11,641.41

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Solution

The fourth proportional to 20,594.22, 28,419.71 and 11,641.41 is: 16,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.22 : 28,419.71 = 11,641.41 : x
  2. Step 2: Convert to fraction form
    20,594.22/28,419.71 = 11,641.41/x
  3. Step 3: Cross multiply
    20,594.22x = 28,419.71 × 11,641.41
  4. Step 4: Simplify right side
    20,594.22x = 330,845,437.98
  5. Step 5: Solve for x
    x = 330,845,437.98/20,594.22
  6. Step 6: Final answer
    x = 16,064.97

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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.