Home / 36,689.75-55,003.53-14,518.76

Finding the Fourth Proportional to 36,689.75, 55,003.53 and 14,518.76

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Solution

The fourth proportional to 36,689.75, 55,003.53 and 14,518.76 is: 21,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.75 : 55,003.53 = 14,518.76 : x
  2. Step 2: Convert to fraction form
    36,689.75/55,003.53 = 14,518.76/x
  3. Step 3: Cross multiply
    36,689.75x = 55,003.53 × 14,518.76
  4. Step 4: Simplify right side
    36,689.75x = 798,583,051.22
  5. Step 5: Solve for x
    x = 798,583,051.22/36,689.75
  6. Step 6: Final answer
    x = 21,765.84

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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.