Home / 26,540.73-39,820.65-13,383.19

Finding the Fourth Proportional to 26,540.73, 39,820.65 and 13,383.19

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Solution

The fourth proportional to 26,540.73, 39,820.65 and 13,383.19 is: 20,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.73 : 39,820.65 = 13,383.19 : x
  2. Step 2: Convert to fraction form
    26,540.73/39,820.65 = 13,383.19/x
  3. Step 3: Cross multiply
    26,540.73x = 39,820.65 × 13,383.19
  4. Step 4: Simplify right side
    26,540.73x = 532,927,324.46
  5. Step 5: Solve for x
    x = 532,927,324.46/26,540.73
  6. Step 6: Final answer
    x = 20,079.60

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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.