Home / 27,247.60-37,605.46-15,311.84

Finding the Fourth Proportional to 27,247.60, 37,605.46 and 15,311.84

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Solution

The fourth proportional to 27,247.60, 37,605.46 and 15,311.84 is: 21,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.60 : 37,605.46 = 15,311.84 : x
  2. Step 2: Convert to fraction form
    27,247.60/37,605.46 = 15,311.84/x
  3. Step 3: Cross multiply
    27,247.60x = 37,605.46 × 15,311.84
  4. Step 4: Simplify right side
    27,247.60x = 575,808,786.65
  5. Step 5: Solve for x
    x = 575,808,786.65/27,247.60
  6. Step 6: Final answer
    x = 21,132.46

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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.