Home / 18,364.34-25,343.24-10,811.06

Finding the Fourth Proportional to 18,364.34, 25,343.24 and 10,811.06

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Solution

The fourth proportional to 18,364.34, 25,343.24 and 10,811.06 is: 14,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.34 : 25,343.24 = 10,811.06 : x
  2. Step 2: Convert to fraction form
    18,364.34/25,343.24 = 10,811.06/x
  3. Step 3: Cross multiply
    18,364.34x = 25,343.24 × 10,811.06
  4. Step 4: Simplify right side
    18,364.34x = 273,987,288.23
  5. Step 5: Solve for x
    x = 273,987,288.23/18,364.34
  6. Step 6: Final answer
    x = 14,919.53

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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.