Home / 18,532.65-27,801.68-5,383.31

Finding the Fourth Proportional to 18,532.65, 27,801.68 and 5,383.31

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Solution

The fourth proportional to 18,532.65, 27,801.68 and 5,383.31 is: 8,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.65 : 27,801.68 = 5,383.31 : x
  2. Step 2: Convert to fraction form
    18,532.65/27,801.68 = 5,383.31/x
  3. Step 3: Cross multiply
    18,532.65x = 27,801.68 × 5,383.31
  4. Step 4: Simplify right side
    18,532.65x = 149,665,082.70
  5. Step 5: Solve for x
    x = 149,665,082.70/18,532.65
  6. Step 6: Final answer
    x = 8,075.75

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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.