Home / 18,823.34-25,976.12-10,439.84

Finding the Fourth Proportional to 18,823.34, 25,976.12 and 10,439.84

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Solution

The fourth proportional to 18,823.34, 25,976.12 and 10,439.84 is: 14,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.34 : 25,976.12 = 10,439.84 : x
  2. Step 2: Convert to fraction form
    18,823.34/25,976.12 = 10,439.84/x
  3. Step 3: Cross multiply
    18,823.34x = 25,976.12 × 10,439.84
  4. Step 4: Simplify right side
    18,823.34x = 271,186,536.62
  5. Step 5: Solve for x
    x = 271,186,536.62/18,823.34
  6. Step 6: Final answer
    x = 14,406.93

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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.