Home / 13,973.70-20,960.53-3,585.45

Finding the Fourth Proportional to 13,973.70, 20,960.53 and 3,585.45

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Solution

The fourth proportional to 13,973.70, 20,960.53 and 3,585.45 is: 5,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.70 : 20,960.53 = 3,585.45 : x
  2. Step 2: Convert to fraction form
    13,973.70/20,960.53 = 3,585.45/x
  3. Step 3: Cross multiply
    13,973.70x = 20,960.53 × 3,585.45
  4. Step 4: Simplify right side
    13,973.70x = 75,153,022.10
  5. Step 5: Solve for x
    x = 75,153,022.10/13,973.70
  6. Step 6: Final answer
    x = 5,378.17

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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.