Home / 18,302.12-27,452.70-5,154.44

Finding the Fourth Proportional to 18,302.12, 27,452.70 and 5,154.44

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Solution

The fourth proportional to 18,302.12, 27,452.70 and 5,154.44 is: 7,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.12 : 27,452.70 = 5,154.44 : x
  2. Step 2: Convert to fraction form
    18,302.12/27,452.70 = 5,154.44/x
  3. Step 3: Cross multiply
    18,302.12x = 27,452.70 × 5,154.44
  4. Step 4: Simplify right side
    18,302.12x = 141,503,294.99
  5. Step 5: Solve for x
    x = 141,503,294.99/18,302.12
  6. Step 6: Final answer
    x = 7,731.52

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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.