Home / 13,723.84-20,585.76-3,335.50

Finding the Fourth Proportional to 13,723.84, 20,585.76 and 3,335.50

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Solution

The fourth proportional to 13,723.84, 20,585.76 and 3,335.50 is: 5,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.84 : 20,585.76 = 3,335.50 : x
  2. Step 2: Convert to fraction form
    13,723.84/20,585.76 = 3,335.50/x
  3. Step 3: Cross multiply
    13,723.84x = 20,585.76 × 3,335.50
  4. Step 4: Simplify right side
    13,723.84x = 68,663,802.48
  5. Step 5: Solve for x
    x = 68,663,802.48/13,723.84
  6. Step 6: Final answer
    x = 5,003.25

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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.