Home / 27,137.68-37,450.20-15,201.16

Finding the Fourth Proportional to 27,137.68, 37,450.20 and 15,201.16

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Solution

The fourth proportional to 27,137.68, 37,450.20 and 15,201.16 is: 20,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.68 : 37,450.20 = 15,201.16 : x
  2. Step 2: Convert to fraction form
    27,137.68/37,450.20 = 15,201.16/x
  3. Step 3: Cross multiply
    27,137.68x = 37,450.20 × 15,201.16
  4. Step 4: Simplify right side
    27,137.68x = 569,286,482.23
  5. Step 5: Solve for x
    x = 569,286,482.23/27,137.68
  6. Step 6: Final answer
    x = 20,977.71

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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.