Home / 18,823.32-25,976.38-10,440.36

Finding the Fourth Proportional to 18,823.32, 25,976.38 and 10,440.36

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Solution

The fourth proportional to 18,823.32, 25,976.38 and 10,440.36 is: 14,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.32 : 25,976.38 = 10,440.36 : x
  2. Step 2: Convert to fraction form
    18,823.32/25,976.38 = 10,440.36/x
  3. Step 3: Cross multiply
    18,823.32x = 25,976.38 × 10,440.36
  4. Step 4: Simplify right side
    18,823.32x = 271,202,758.70
  5. Step 5: Solve for x
    x = 271,202,758.70/18,823.32
  6. Step 6: Final answer
    x = 14,407.81

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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.