Home / 18,822.10-25,974.78-10,325.05

Finding the Fourth Proportional to 18,822.10, 25,974.78 and 10,325.05

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Solution

The fourth proportional to 18,822.10, 25,974.78 and 10,325.05 is: 14,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.10 : 25,974.78 = 10,325.05 : x
  2. Step 2: Convert to fraction form
    18,822.10/25,974.78 = 10,325.05/x
  3. Step 3: Cross multiply
    18,822.10x = 25,974.78 × 10,325.05
  4. Step 4: Simplify right side
    18,822.10x = 268,190,902.24
  5. Step 5: Solve for x
    x = 268,190,902.24/18,822.10
  6. Step 6: Final answer
    x = 14,248.72

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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.