Home / 18,224.67-27,329.91-7,130.10

Finding the Fourth Proportional to 18,224.67, 27,329.91 and 7,130.10

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Solution

The fourth proportional to 18,224.67, 27,329.91 and 7,130.10 is: 10,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.67 : 27,329.91 = 7,130.10 : x
  2. Step 2: Convert to fraction form
    18,224.67/27,329.91 = 7,130.10/x
  3. Step 3: Cross multiply
    18,224.67x = 27,329.91 × 7,130.10
  4. Step 4: Simplify right side
    18,224.67x = 194,864,991.29
  5. Step 5: Solve for x
    x = 194,864,991.29/18,224.67
  6. Step 6: Final answer
    x = 10,692.37

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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.