Home / 18,823.62-25,976.62-10,440.18

Finding the Fourth Proportional to 18,823.62, 25,976.62 and 10,440.18

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Solution

The fourth proportional to 18,823.62, 25,976.62 and 10,440.18 is: 14,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.62 : 25,976.62 = 10,440.18 : x
  2. Step 2: Convert to fraction form
    18,823.62/25,976.62 = 10,440.18/x
  3. Step 3: Cross multiply
    18,823.62x = 25,976.62 × 10,440.18
  4. Step 4: Simplify right side
    18,823.62x = 271,200,588.59
  5. Step 5: Solve for x
    x = 271,200,588.59/18,823.62
  6. Step 6: Final answer
    x = 14,407.46

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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.