Home / 26,133.58-39,134.70-20,294.26

Finding the Fourth Proportional to 26,133.58, 39,134.70 and 20,294.26

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Solution

The fourth proportional to 26,133.58, 39,134.70 and 20,294.26 is: 30,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.58 : 39,134.70 = 20,294.26 : x
  2. Step 2: Convert to fraction form
    26,133.58/39,134.70 = 20,294.26/x
  3. Step 3: Cross multiply
    26,133.58x = 39,134.70 × 20,294.26
  4. Step 4: Simplify right side
    26,133.58x = 794,209,776.82
  5. Step 5: Solve for x
    x = 794,209,776.82/26,133.58
  6. Step 6: Final answer
    x = 30,390.39

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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.