Home / 18,488.31-25,562.46-17,662.11

Finding the Fourth Proportional to 18,488.31, 25,562.46 and 17,662.11

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Solution

The fourth proportional to 18,488.31, 25,562.46 and 17,662.11 is: 24,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.31 : 25,562.46 = 17,662.11 : x
  2. Step 2: Convert to fraction form
    18,488.31/25,562.46 = 17,662.11/x
  3. Step 3: Cross multiply
    18,488.31x = 25,562.46 × 17,662.11
  4. Step 4: Simplify right side
    18,488.31x = 451,486,980.39
  5. Step 5: Solve for x
    x = 451,486,980.39/18,488.31
  6. Step 6: Final answer
    x = 24,420.13

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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.