Home / 27,066.41-37,351.53-15,129.74

Finding the Fourth Proportional to 27,066.41, 37,351.53 and 15,129.74

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Solution

The fourth proportional to 27,066.41, 37,351.53 and 15,129.74 is: 20,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.41 : 37,351.53 = 15,129.74 : x
  2. Step 2: Convert to fraction form
    27,066.41/37,351.53 = 15,129.74/x
  3. Step 3: Cross multiply
    27,066.41x = 37,351.53 × 15,129.74
  4. Step 4: Simplify right side
    27,066.41x = 565,118,750.74
  5. Step 5: Solve for x
    x = 565,118,750.74/27,066.41
  6. Step 6: Final answer
    x = 20,878.97

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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.