Home / 27,540.63-38,017.71-18,600.26

Finding the Fourth Proportional to 27,540.63, 38,017.71 and 18,600.26

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Solution

The fourth proportional to 27,540.63, 38,017.71 and 18,600.26 is: 25,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.63 : 38,017.71 = 18,600.26 : x
  2. Step 2: Convert to fraction form
    27,540.63/38,017.71 = 18,600.26/x
  3. Step 3: Cross multiply
    27,540.63x = 38,017.71 × 18,600.26
  4. Step 4: Simplify right side
    27,540.63x = 707,139,100.52
  5. Step 5: Solve for x
    x = 707,139,100.52/27,540.63
  6. Step 6: Final answer
    x = 25,676.21

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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.