Home / 13,362.72-20,048.67-5,972.28

Finding the Fourth Proportional to 13,362.72, 20,048.67 and 5,972.28

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Solution

The fourth proportional to 13,362.72, 20,048.67 and 5,972.28 is: 8,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.72 : 20,048.67 = 5,972.28 : x
  2. Step 2: Convert to fraction form
    13,362.72/20,048.67 = 5,972.28/x
  3. Step 3: Cross multiply
    13,362.72x = 20,048.67 × 5,972.28
  4. Step 4: Simplify right side
    13,362.72x = 119,736,270.87
  5. Step 5: Solve for x
    x = 119,736,270.87/13,362.72
  6. Step 6: Final answer
    x = 8,960.47

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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.