Home / 19,236.04-28,849.86-7,385.80

Finding the Fourth Proportional to 19,236.04, 28,849.86 and 7,385.80

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Solution

The fourth proportional to 19,236.04, 28,849.86 and 7,385.80 is: 11,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.04 : 28,849.86 = 7,385.80 : x
  2. Step 2: Convert to fraction form
    19,236.04/28,849.86 = 7,385.80/x
  3. Step 3: Cross multiply
    19,236.04x = 28,849.86 × 7,385.80
  4. Step 4: Simplify right side
    19,236.04x = 213,079,295.99
  5. Step 5: Solve for x
    x = 213,079,295.99/19,236.04
  6. Step 6: Final answer
    x = 11,077.09

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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.