Home / 27,021.13-40,530.08-8,301.34

Finding the Fourth Proportional to 27,021.13, 40,530.08 and 8,301.34

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Solution

The fourth proportional to 27,021.13, 40,530.08 and 8,301.34 is: 12,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.13 : 40,530.08 = 8,301.34 : x
  2. Step 2: Convert to fraction form
    27,021.13/40,530.08 = 8,301.34/x
  3. Step 3: Cross multiply
    27,021.13x = 40,530.08 × 8,301.34
  4. Step 4: Simplify right side
    27,021.13x = 336,453,974.31
  5. Step 5: Solve for x
    x = 336,453,974.31/27,021.13
  6. Step 6: Final answer
    x = 12,451.51

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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.