Home / 27,402.30-41,103.45-7,684.20

Finding the Fourth Proportional to 27,402.30, 41,103.45 and 7,684.20

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Solution

The fourth proportional to 27,402.30, 41,103.45 and 7,684.20 is: 11,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.30 : 41,103.45 = 7,684.20 : x
  2. Step 2: Convert to fraction form
    27,402.30/41,103.45 = 7,684.20/x
  3. Step 3: Cross multiply
    27,402.30x = 41,103.45 × 7,684.20
  4. Step 4: Simplify right side
    27,402.30x = 315,847,130.49
  5. Step 5: Solve for x
    x = 315,847,130.49/27,402.30
  6. Step 6: Final answer
    x = 11,526.30

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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.