Home / 27,540.72-38,006.29-14,965.47

Finding the Fourth Proportional to 27,540.72, 38,006.29 and 14,965.47

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Solution

The fourth proportional to 27,540.72, 38,006.29 and 14,965.47 is: 20,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.72 : 38,006.29 = 14,965.47 : x
  2. Step 2: Convert to fraction form
    27,540.72/38,006.29 = 14,965.47/x
  3. Step 3: Cross multiply
    27,540.72x = 38,006.29 × 14,965.47
  4. Step 4: Simplify right side
    27,540.72x = 568,781,992.81
  5. Step 5: Solve for x
    x = 568,781,992.81/27,540.72
  6. Step 6: Final answer
    x = 20,652.40

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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.