Home / 27,486.14-37,928.58-15,546.74

Finding the Fourth Proportional to 27,486.14, 37,928.58 and 15,546.74

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Solution

The fourth proportional to 27,486.14, 37,928.58 and 15,546.74 is: 21,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.14 : 37,928.58 = 15,546.74 : x
  2. Step 2: Convert to fraction form
    27,486.14/37,928.58 = 15,546.74/x
  3. Step 3: Cross multiply
    27,486.14x = 37,928.58 × 15,546.74
  4. Step 4: Simplify right side
    27,486.14x = 589,665,771.83
  5. Step 5: Solve for x
    x = 589,665,771.83/27,486.14
  6. Step 6: Final answer
    x = 21,453.20

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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.