Home / 26,387.11-39,580.86-7,668.41

Finding the Fourth Proportional to 26,387.11, 39,580.86 and 7,668.41

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Solution

The fourth proportional to 26,387.11, 39,580.86 and 7,668.41 is: 11,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.11 : 39,580.86 = 7,668.41 : x
  2. Step 2: Convert to fraction form
    26,387.11/39,580.86 = 7,668.41/x
  3. Step 3: Cross multiply
    26,387.11x = 39,580.86 × 7,668.41
  4. Step 4: Simplify right side
    26,387.11x = 303,522,390.34
  5. Step 5: Solve for x
    x = 303,522,390.34/26,387.11
  6. Step 6: Final answer
    x = 11,502.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.