Home / 26,539.17-39,685.71-20,548.15

Finding the Fourth Proportional to 26,539.17, 39,685.71 and 20,548.15

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Solution

The fourth proportional to 26,539.17, 39,685.71 and 20,548.15 is: 30,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.17 : 39,685.71 = 20,548.15 : x
  2. Step 2: Convert to fraction form
    26,539.17/39,685.71 = 20,548.15/x
  3. Step 3: Cross multiply
    26,539.17x = 39,685.71 × 20,548.15
  4. Step 4: Simplify right side
    26,539.17x = 815,467,899.78
  5. Step 5: Solve for x
    x = 815,467,899.78/26,539.17
  6. Step 6: Final answer
    x = 30,726.96

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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.