Home / 27,188.94-37,517.81-15,703.14

Finding the Fourth Proportional to 27,188.94, 37,517.81 and 15,703.14

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Solution

The fourth proportional to 27,188.94, 37,517.81 and 15,703.14 is: 21,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.94 : 37,517.81 = 15,703.14 : x
  2. Step 2: Convert to fraction form
    27,188.94/37,517.81 = 15,703.14/x
  3. Step 3: Cross multiply
    27,188.94x = 37,517.81 × 15,703.14
  4. Step 4: Simplify right side
    27,188.94x = 589,147,344.41
  5. Step 5: Solve for x
    x = 589,147,344.41/27,188.94
  6. Step 6: Final answer
    x = 21,668.64

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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.