Home / 13,423.54-18,529.46-11,527.51

Finding the Fourth Proportional to 13,423.54, 18,529.46 and 11,527.51

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Solution

The fourth proportional to 13,423.54, 18,529.46 and 11,527.51 is: 15,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.54 : 18,529.46 = 11,527.51 : x
  2. Step 2: Convert to fraction form
    13,423.54/18,529.46 = 11,527.51/x
  3. Step 3: Cross multiply
    13,423.54x = 18,529.46 × 11,527.51
  4. Step 4: Simplify right side
    13,423.54x = 213,598,431.48
  5. Step 5: Solve for x
    x = 213,598,431.48/13,423.54
  6. Step 6: Final answer
    x = 15,912.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.