Home / 13,320.33-19,958.63-4,550.46

Finding the Fourth Proportional to 13,320.33, 19,958.63 and 4,550.46

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Solution

The fourth proportional to 13,320.33, 19,958.63 and 4,550.46 is: 6,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.33 : 19,958.63 = 4,550.46 : x
  2. Step 2: Convert to fraction form
    13,320.33/19,958.63 = 4,550.46/x
  3. Step 3: Cross multiply
    13,320.33x = 19,958.63 × 4,550.46
  4. Step 4: Simplify right side
    13,320.33x = 90,820,924.72
  5. Step 5: Solve for x
    x = 90,820,924.72/13,320.33
  6. Step 6: Final answer
    x = 6,818.22

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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.