Home / 19,831.90-29,750.64-5,792.96

Finding the Fourth Proportional to 19,831.90, 29,750.64 and 5,792.96

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Solution

The fourth proportional to 19,831.90, 29,750.64 and 5,792.96 is: 8,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.90 : 29,750.64 = 5,792.96 : x
  2. Step 2: Convert to fraction form
    19,831.90/29,750.64 = 5,792.96/x
  3. Step 3: Cross multiply
    19,831.90x = 29,750.64 × 5,792.96
  4. Step 4: Simplify right side
    19,831.90x = 172,344,208.58
  5. Step 5: Solve for x
    x = 172,344,208.58/19,831.90
  6. Step 6: Final answer
    x = 8,690.25

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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.