Home / 27,066.10-37,351.27-15,129.43

Finding the Fourth Proportional to 27,066.10, 37,351.27 and 15,129.43

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Solution

The fourth proportional to 27,066.10, 37,351.27 and 15,129.43 is: 20,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.10 : 37,351.27 = 15,129.43 : x
  2. Step 2: Convert to fraction form
    27,066.10/37,351.27 = 15,129.43/x
  3. Step 3: Cross multiply
    27,066.10x = 37,351.27 × 15,129.43
  4. Step 4: Simplify right side
    27,066.10x = 565,103,265.31
  5. Step 5: Solve for x
    x = 565,103,265.31/27,066.10
  6. Step 6: Final answer
    x = 20,878.64

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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.