Home / 27,075.12-37,363.56-15,138.48

Finding the Fourth Proportional to 27,075.12, 37,363.56 and 15,138.48

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Solution

The fourth proportional to 27,075.12, 37,363.56 and 15,138.48 is: 20,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.12 : 37,363.56 = 15,138.48 : x
  2. Step 2: Convert to fraction form
    27,075.12/37,363.56 = 15,138.48/x
  3. Step 3: Cross multiply
    27,075.12x = 37,363.56 × 15,138.48
  4. Step 4: Simplify right side
    27,075.12x = 565,627,505.79
  5. Step 5: Solve for x
    x = 565,627,505.79/27,075.12
  6. Step 6: Final answer
    x = 20,891.04

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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.