Home / 27,147.68-37,464.82-15,210.60

Finding the Fourth Proportional to 27,147.68, 37,464.82 and 15,210.60

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Solution

The fourth proportional to 27,147.68, 37,464.82 and 15,210.60 is: 20,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.68 : 37,464.82 = 15,210.60 : x
  2. Step 2: Convert to fraction form
    27,147.68/37,464.82 = 15,210.60/x
  3. Step 3: Cross multiply
    27,147.68x = 37,464.82 × 15,210.60
  4. Step 4: Simplify right side
    27,147.68x = 569,862,391.09
  5. Step 5: Solve for x
    x = 569,862,391.09/27,147.68
  6. Step 6: Final answer
    x = 20,991.20

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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.