Home / 20,788.22-31,182.35-5,794.74

Finding the Fourth Proportional to 20,788.22, 31,182.35 and 5,794.74

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Solution

The fourth proportional to 20,788.22, 31,182.35 and 5,794.74 is: 8,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788.22 : 31,182.35 = 5,794.74 : x
  2. Step 2: Convert to fraction form
    20,788.22/31,182.35 = 5,794.74/x
  3. Step 3: Cross multiply
    20,788.22x = 31,182.35 × 5,794.74
  4. Step 4: Simplify right side
    20,788.22x = 180,693,581.87
  5. Step 5: Solve for x
    x = 180,693,581.87/20,788.22
  6. Step 6: Final answer
    x = 8,692.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.