Home / 36,874.64-55,294.68-13,484.72

Finding the Fourth Proportional to 36,874.64, 55,294.68 and 13,484.72

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Solution

The fourth proportional to 36,874.64, 55,294.68 and 13,484.72 is: 20,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,874.64 : 55,294.68 = 13,484.72 : x
  2. Step 2: Convert to fraction form
    36,874.64/55,294.68 = 13,484.72/x
  3. Step 3: Cross multiply
    36,874.64x = 55,294.68 × 13,484.72
  4. Step 4: Simplify right side
    36,874.64x = 745,633,277.29
  5. Step 5: Solve for x
    x = 745,633,277.29/36,874.64
  6. Step 6: Final answer
    x = 20,220.76

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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.