Home / 27,057.11-37,338.57-15,120.14

Finding the Fourth Proportional to 27,057.11, 37,338.57 and 15,120.14

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Solution

The fourth proportional to 27,057.11, 37,338.57 and 15,120.14 is: 20,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.11 : 37,338.57 = 15,120.14 : x
  2. Step 2: Convert to fraction form
    27,057.11/37,338.57 = 15,120.14/x
  3. Step 3: Cross multiply
    27,057.11x = 37,338.57 × 15,120.14
  4. Step 4: Simplify right side
    27,057.11x = 564,564,219.11
  5. Step 5: Solve for x
    x = 564,564,219.11/27,057.11
  6. Step 6: Final answer
    x = 20,865.66

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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.