Home / 19,376.24-29,064.20-12,831.71

Finding the Fourth Proportional to 19,376.24, 29,064.20 and 12,831.71

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Solution

The fourth proportional to 19,376.24, 29,064.20 and 12,831.71 is: 19,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.24 : 29,064.20 = 12,831.71 : x
  2. Step 2: Convert to fraction form
    19,376.24/29,064.20 = 12,831.71/x
  3. Step 3: Cross multiply
    19,376.24x = 29,064.20 × 12,831.71
  4. Step 4: Simplify right side
    19,376.24x = 372,943,176.30
  5. Step 5: Solve for x
    x = 372,943,176.30/19,376.24
  6. Step 6: Final answer
    x = 19,247.45

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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.