Home / 19,926.40-29,831.04-15,736.96

Finding the Fourth Proportional to 19,926.40, 29,831.04 and 15,736.96

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Solution

The fourth proportional to 19,926.40, 29,831.04 and 15,736.96 is: 23,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.40 : 29,831.04 = 15,736.96 : x
  2. Step 2: Convert to fraction form
    19,926.40/29,831.04 = 15,736.96/x
  3. Step 3: Cross multiply
    19,926.40x = 29,831.04 × 15,736.96
  4. Step 4: Simplify right side
    19,926.40x = 469,449,883.24
  5. Step 5: Solve for x
    x = 469,449,883.24/19,926.40
  6. Step 6: Final answer
    x = 23,559.19

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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.