Home / 18,399.33-27,560.07-15,271.92

Finding the Fourth Proportional to 18,399.33, 27,560.07 and 15,271.92

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Solution

The fourth proportional to 18,399.33, 27,560.07 and 15,271.92 is: 22,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.33 : 27,560.07 = 15,271.92 : x
  2. Step 2: Convert to fraction form
    18,399.33/27,560.07 = 15,271.92/x
  3. Step 3: Cross multiply
    18,399.33x = 27,560.07 × 15,271.92
  4. Step 4: Simplify right side
    18,399.33x = 420,895,184.23
  5. Step 5: Solve for x
    x = 420,895,184.23/18,399.33
  6. Step 6: Final answer
    x = 22,875.57

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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.