Home / 18,456.87-27,674.31-8,598.36

Finding the Fourth Proportional to 18,456.87, 27,674.31 and 8,598.36

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Solution

The fourth proportional to 18,456.87, 27,674.31 and 8,598.36 is: 12,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.87 : 27,674.31 = 8,598.36 : x
  2. Step 2: Convert to fraction form
    18,456.87/27,674.31 = 8,598.36/x
  3. Step 3: Cross multiply
    18,456.87x = 27,674.31 × 8,598.36
  4. Step 4: Simplify right side
    18,456.87x = 237,953,680.13
  5. Step 5: Solve for x
    x = 237,953,680.13/18,456.87
  6. Step 6: Final answer
    x = 12,892.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.