Home / 19,376.49-29,064.57-12,831.96

Finding the Fourth Proportional to 19,376.49, 29,064.57 and 12,831.96

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Solution

The fourth proportional to 19,376.49, 29,064.57 and 12,831.96 is: 19,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.49 : 29,064.57 = 12,831.96 : x
  2. Step 2: Convert to fraction form
    19,376.49/29,064.57 = 12,831.96/x
  3. Step 3: Cross multiply
    19,376.49x = 29,064.57 × 12,831.96
  4. Step 4: Simplify right side
    19,376.49x = 372,955,254.33
  5. Step 5: Solve for x
    x = 372,955,254.33/19,376.49
  6. Step 6: Final answer
    x = 19,247.83

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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.