Home / 27,075.24-37,362.10-15,139.56

Finding the Fourth Proportional to 27,075.24, 37,362.10 and 15,139.56

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Solution

The fourth proportional to 27,075.24, 37,362.10 and 15,139.56 is: 20,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.24 : 37,362.10 = 15,139.56 : x
  2. Step 2: Convert to fraction form
    27,075.24/37,362.10 = 15,139.56/x
  3. Step 3: Cross multiply
    27,075.24x = 37,362.10 × 15,139.56
  4. Step 4: Simplify right side
    27,075.24x = 565,645,754.68
  5. Step 5: Solve for x
    x = 565,645,754.68/27,075.24
  6. Step 6: Final answer
    x = 20,891.62

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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.