Home / 19,086.83-28,621.85-7,834.44

Finding the Fourth Proportional to 19,086.83, 28,621.85 and 7,834.44

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Solution

The fourth proportional to 19,086.83, 28,621.85 and 7,834.44 is: 11,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.83 : 28,621.85 = 7,834.44 : x
  2. Step 2: Convert to fraction form
    19,086.83/28,621.85 = 7,834.44/x
  3. Step 3: Cross multiply
    19,086.83x = 28,621.85 × 7,834.44
  4. Step 4: Simplify right side
    19,086.83x = 224,236,166.51
  5. Step 5: Solve for x
    x = 224,236,166.51/19,086.83
  6. Step 6: Final answer
    x = 11,748.22

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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.