Home / 27,540.12-38,005.61-14,964.87

Finding the Fourth Proportional to 27,540.12, 38,005.61 and 14,964.87

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Solution

The fourth proportional to 27,540.12, 38,005.61 and 14,964.87 is: 20,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.12 : 38,005.61 = 14,964.87 : x
  2. Step 2: Convert to fraction form
    27,540.12/38,005.61 = 14,964.87/x
  3. Step 3: Cross multiply
    27,540.12x = 38,005.61 × 14,964.87
  4. Step 4: Simplify right side
    27,540.12x = 568,748,938.10
  5. Step 5: Solve for x
    x = 568,748,938.10/27,540.12
  6. Step 6: Final answer
    x = 20,651.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.