Home / 13,359.46-20,020.72-11,600.28

Finding the Fourth Proportional to 13,359.46, 20,020.72 and 11,600.28

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Solution

The fourth proportional to 13,359.46, 20,020.72 and 11,600.28 is: 17,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.46 : 20,020.72 = 11,600.28 : x
  2. Step 2: Convert to fraction form
    13,359.46/20,020.72 = 11,600.28/x
  3. Step 3: Cross multiply
    13,359.46x = 20,020.72 × 11,600.28
  4. Step 4: Simplify right side
    13,359.46x = 232,245,957.80
  5. Step 5: Solve for x
    x = 232,245,957.80/13,359.46
  6. Step 6: Final answer
    x = 17,384.38

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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.