Home / 33,139.26-45,732.18-18,235.26

Finding the Fourth Proportional to 33,139.26, 45,732.18 and 18,235.26

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Solution

The fourth proportional to 33,139.26, 45,732.18 and 18,235.26 is: 25,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.26 : 45,732.18 = 18,235.26 : x
  2. Step 2: Convert to fraction form
    33,139.26/45,732.18 = 18,235.26/x
  3. Step 3: Cross multiply
    33,139.26x = 45,732.18 × 18,235.26
  4. Step 4: Simplify right side
    33,139.26x = 833,938,192.67
  5. Step 5: Solve for x
    x = 833,938,192.67/33,139.26
  6. Step 6: Final answer
    x = 25,164.66

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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.