Home / 18,822.62-25,975.24-10,439.18

Finding the Fourth Proportional to 18,822.62, 25,975.24 and 10,439.18

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Solution

The fourth proportional to 18,822.62, 25,975.24 and 10,439.18 is: 14,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.62 : 25,975.24 = 10,439.18 : x
  2. Step 2: Convert to fraction form
    18,822.62/25,975.24 = 10,439.18/x
  3. Step 3: Cross multiply
    18,822.62x = 25,975.24 × 10,439.18
  4. Step 4: Simplify right side
    18,822.62x = 271,160,205.90
  5. Step 5: Solve for x
    x = 271,160,205.90/18,822.62
  6. Step 6: Final answer
    x = 14,406.08

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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.