Home / 13,752.06-20,628.18-3,363.81

Finding the Fourth Proportional to 13,752.06, 20,628.18 and 3,363.81

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Solution

The fourth proportional to 13,752.06, 20,628.18 and 3,363.81 is: 5,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.06 : 20,628.18 = 3,363.81 : x
  2. Step 2: Convert to fraction form
    13,752.06/20,628.18 = 3,363.81/x
  3. Step 3: Cross multiply
    13,752.06x = 20,628.18 × 3,363.81
  4. Step 4: Simplify right side
    13,752.06x = 69,389,278.17
  5. Step 5: Solve for x
    x = 69,389,278.17/13,752.06
  6. Step 6: Final answer
    x = 5,045.74

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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.