Home / 18,896.03-28,343.10-7,048.87

Finding the Fourth Proportional to 18,896.03, 28,343.10 and 7,048.87

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Solution

The fourth proportional to 18,896.03, 28,343.10 and 7,048.87 is: 10,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.03 : 28,343.10 = 7,048.87 : x
  2. Step 2: Convert to fraction form
    18,896.03/28,343.10 = 7,048.87/x
  3. Step 3: Cross multiply
    18,896.03x = 28,343.10 × 7,048.87
  4. Step 4: Simplify right side
    18,896.03x = 199,786,827.30
  5. Step 5: Solve for x
    x = 199,786,827.30/18,896.03
  6. Step 6: Final answer
    x = 10,572.96

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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.