Home / 18,825.67-25,979.43-10,442.17

Finding the Fourth Proportional to 18,825.67, 25,979.43 and 10,442.17

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Solution

The fourth proportional to 18,825.67, 25,979.43 and 10,442.17 is: 14,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.67 : 25,979.43 = 10,442.17 : x
  2. Step 2: Convert to fraction form
    18,825.67/25,979.43 = 10,442.17/x
  3. Step 3: Cross multiply
    18,825.67x = 25,979.43 × 10,442.17
  4. Step 4: Simplify right side
    18,825.67x = 271,281,624.56
  5. Step 5: Solve for x
    x = 271,281,624.56/18,825.67
  6. Step 6: Final answer
    x = 14,410.20

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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.