Home / 13,924.74-20,887.68-3,536.76

Finding the Fourth Proportional to 13,924.74, 20,887.68 and 3,536.76

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Solution

The fourth proportional to 13,924.74, 20,887.68 and 3,536.76 is: 5,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.74 : 20,887.68 = 3,536.76 : x
  2. Step 2: Convert to fraction form
    13,924.74/20,887.68 = 3,536.76/x
  3. Step 3: Cross multiply
    13,924.74x = 20,887.68 × 3,536.76
  4. Step 4: Simplify right side
    13,924.74x = 73,874,711.12
  5. Step 5: Solve for x
    x = 73,874,711.12/13,924.74
  6. Step 6: Final answer
    x = 5,305.28

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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.