Home / 18,824.24-25,976.28-10,440.56

Finding the Fourth Proportional to 18,824.24, 25,976.28 and 10,440.56

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Solution

The fourth proportional to 18,824.24, 25,976.28 and 10,440.56 is: 14,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.24 : 25,976.28 = 10,440.56 : x
  2. Step 2: Convert to fraction form
    18,824.24/25,976.28 = 10,440.56/x
  3. Step 3: Cross multiply
    18,824.24x = 25,976.28 × 10,440.56
  4. Step 4: Simplify right side
    18,824.24x = 271,206,909.92
  5. Step 5: Solve for x
    x = 271,206,909.92/18,824.24
  6. Step 6: Final answer
    x = 14,407.32

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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.