Home / 18,286.99-25,237.58-10,330.63

Finding the Fourth Proportional to 18,286.99, 25,237.58 and 10,330.63

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Solution

The fourth proportional to 18,286.99, 25,237.58 and 10,330.63 is: 14,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.99 : 25,237.58 = 10,330.63 : x
  2. Step 2: Convert to fraction form
    18,286.99/25,237.58 = 10,330.63/x
  3. Step 3: Cross multiply
    18,286.99x = 25,237.58 × 10,330.63
  4. Step 4: Simplify right side
    18,286.99x = 260,719,986.33
  5. Step 5: Solve for x
    x = 260,719,986.33/18,286.99
  6. Step 6: Final answer
    x = 14,257.13

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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.