Home / 18,232.45-27,337.73-7,125.90

Finding the Fourth Proportional to 18,232.45, 27,337.73 and 7,125.90

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Solution

The fourth proportional to 18,232.45, 27,337.73 and 7,125.90 is: 10,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.45 : 27,337.73 = 7,125.90 : x
  2. Step 2: Convert to fraction form
    18,232.45/27,337.73 = 7,125.90/x
  3. Step 3: Cross multiply
    18,232.45x = 27,337.73 × 7,125.90
  4. Step 4: Simplify right side
    18,232.45x = 194,805,930.21
  5. Step 5: Solve for x
    x = 194,805,930.21/18,232.45
  6. Step 6: Final answer
    x = 10,684.57

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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.