Home / 27,086.81-37,379.07-15,151.46

Finding the Fourth Proportional to 27,086.81, 37,379.07 and 15,151.46

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Solution

The fourth proportional to 27,086.81, 37,379.07 and 15,151.46 is: 20,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.81 : 37,379.07 = 15,151.46 : x
  2. Step 2: Convert to fraction form
    27,086.81/37,379.07 = 15,151.46/x
  3. Step 3: Cross multiply
    27,086.81x = 37,379.07 × 15,151.46
  4. Step 4: Simplify right side
    27,086.81x = 566,347,297.05
  5. Step 5: Solve for x
    x = 566,347,297.05/27,086.81
  6. Step 6: Final answer
    x = 20,908.60

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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.