Home / 45,351.20-68,026.94-13,761.52

Finding the Fourth Proportional to 45,351.20, 68,026.94 and 13,761.52

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Solution

The fourth proportional to 45,351.20, 68,026.94 and 13,761.52 is: 20,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.20 : 68,026.94 = 13,761.52 : x
  2. Step 2: Convert to fraction form
    45,351.20/68,026.94 = 13,761.52/x
  3. Step 3: Cross multiply
    45,351.20x = 68,026.94 × 13,761.52
  4. Step 4: Simplify right side
    45,351.20x = 936,154,095.35
  5. Step 5: Solve for x
    x = 936,154,095.35/45,351.20
  6. Step 6: Final answer
    x = 20,642.32

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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.