Home / 19,092.57-28,638.83-10,768.81

Finding the Fourth Proportional to 19,092.57, 28,638.83 and 10,768.81

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Solution

The fourth proportional to 19,092.57, 28,638.83 and 10,768.81 is: 16,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.57 : 28,638.83 = 10,768.81 : x
  2. Step 2: Convert to fraction form
    19,092.57/28,638.83 = 10,768.81/x
  3. Step 3: Cross multiply
    19,092.57x = 28,638.83 × 10,768.81
  4. Step 4: Simplify right side
    19,092.57x = 308,406,127.92
  5. Step 5: Solve for x
    x = 308,406,127.92/19,092.57
  6. Step 6: Final answer
    x = 16,153.20

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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.