Home / 37,215.65-55,831.17-12,257.22

Finding the Fourth Proportional to 37,215.65, 55,831.17 and 12,257.22

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Solution

The fourth proportional to 37,215.65, 55,831.17 and 12,257.22 is: 18,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.65 : 55,831.17 = 12,257.22 : x
  2. Step 2: Convert to fraction form
    37,215.65/55,831.17 = 12,257.22/x
  3. Step 3: Cross multiply
    37,215.65x = 55,831.17 × 12,257.22
  4. Step 4: Simplify right side
    37,215.65x = 684,335,188.88
  5. Step 5: Solve for x
    x = 684,335,188.88/37,215.65
  6. Step 6: Final answer
    x = 18,388.37

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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.